Minggu, 18 November 2012

Ilmu nutrisi ternak unggas


Nutrisi didapat dari makanan/ransum/pakan

Energy untuk ternak unggas
Diperlukan untuk :

1.       Pertumbuhan jaringan (jumlah dan besar sel tubuh)
2.       Aktivitas
3.       Memertahankan temperature tubuh
4.       Produksi telur

Kebutuhan energy dipengaruhi oleh:

-          Ukuran tubuh
-          Aktivitas
-          Temperature lingkungan
Sumber energy
-          Karbohidrat
-          Lemak
-          Protein

Unggas dengan manusia sama2 memiliki monogastrik yaitu berperut tunggal sehingga pemecahan karbohidrat yang bersumber dari polisakarida dan oligosakarida tidak dapat dilakukan. Makanannya sebagian besar adalah konsentrat. Makanan yang serat kasarnya rendah, mudah dicerna.
Berbeda dengan perut ruminansia yang memiliki lambung ganda, maka dapat makan karbohidrat yang bersumber dari polisakarida dan oligosakarida, seperti halnya serat kasar (rude fiber). Karena memunyai enzim selulosa dalam rumen, sehingga dapat mengubah selulosa menjadi energy.

Lemak merupakan sumber energy yang paling tinggi yaitu 2,25 kali lebih banyak dari karbohidrat.

Protein di dalam ransum ternak unggas jarang digunakan karena dari segi ekonomis harga mahal, dibandingkan dengan karbohidrat dan lemak. Dari segi pengembalian atau metabolism dalam tubuh memerlukan banyak energy dalam tubuh untuk mengubah protein itu sendiri untuk menjadi energy.

Karbohidrat energinya 4.15 kkal/g.

Lemak energinya 9,4 kkal/g berfungsi untuk :

-          Sumber energy
-          Pelarut vitamin
-          Mengurangi berdebunya ransum
-          Perekat, (terutama dalam ransum yang berbentuk pellet, dan crumble).
-          Citarasa

Glukosa jika tidak diubah oleh hormone insulin maka akan masuk ke dalam darah. Sehingga darah mengandung banyak gula.
Protein dalam tubuh akan di ubah menjadi asam2 amino.
Lemak juga dipecah menjadi gliserol dan asam2 lemak untuk diserap oleh tubuh.

Nilai cerna lemak akan dipengaruhi oleh :

1.       Jenis lemak
2.       Jumlah lemak dalam ransum. Max 3-8%
3.       Keadaan lemak (tengik=rancidity/ tidak)
Penyerapan lemak
Trigliserida  (ke) duodenum (ke) cairan empedu (ke) cairan empedu.
Enzim lipase (pancreas) diubah menjadi monogliserida dan asam lemak.

ME adalah energy bruto dikurangi energy feses dikurangi energy urin.
Energy feses dan urin dapat diukur diluar tubuh sehingga keakuratan di dalam energy metabolis itu lebih baik. Karena dalam pembuatan ransum, ransum itu seimbang.
NE adalah energy bruto- energy feses - energi urin – panas akibat metabolism zat2 makanan. Ransum yang tidak seimbang akan menyebabkan banyak panas yang hilang dalam proses metabolism zat2 makanan.

Untuk itu kandungan energy bahan makanan biasanya ditentukan juga oleh pengukuran ransum dan biasanya digunakan ME. Karena NE tidak bisa kita hitung panas akibat metabolism tubuhnya.

Kelebihan energy akan disimpan di dalam tubuh berupa lemak

Dalam metabolisable energy (energy metabolis) ada yang semu dan nyata (sejati)
AME (appearance ME) = semu

(Gef x X) – Ye                        sedangkan TME (true ME)                   (Gef x X) – (Yef – Yec)
        X                                                                                                                         X

Ket :
Gef = gross energy ransum
X = berat ransum
Ye = jumlah energy feses
Yef = jumlah energy feses (makan)
Yec = jumlah energy feses (tanpa makan)

Penghitungan energy feses dalam bentuk kering. Yang dianggap kadar airnya sama. Sehingga tidak terjadi kesalahan dalam penghitungan.

Unggas makan untuk memenuhi kebutuhan energinya. Sehingga dalam menyusun ransum zat2 yang lain mengikuti daripada energy ransum tersebut.


Tingkat energy dalam ransum akan memengaruhi makanan yang dimakan. Semakin tinggi tingkat energy dalam ransum maka konsumsi semakin rendah.
Energy dalam ransum akan sedikit diubah menjadi lemak apabila proses pertumbuhan sedang berlangsung.
Missal. Broiler umur 6 minggu memerlukan lemak 4% dari berat badan, energy disimpan dalam tubuh berupa lemak setelah 6 minggu.
Pembatasan konsumsi energy (restricted feeding) pada unggas petelur sedang tumbuh penting untuk mencegah penimbunan lemak berlebihan.
Periode umur 8-22 minggu, unggas diberi ransum, untuk: pertumbuhan badan dan bulu tidak mengakibatkan penimbunan lemak (penting lapisan lemak perut) akan berpengaruh pada tubuh dan menutupi indung telur sehingga memengaruhi produksi.

Cara pembatasan konsumsi energy :

-          Menurunkan kualitas ransum (misalnya : diberi ransum energy rendah (2350kkal/kg) dan CF (SK) tinggi.)
-          Menurunkan kuantitas ransum (misalnya: jumlah yang dimakan 70 g/hari/ekor diturunkan menjadi 60g/ekor/hari.
Harapannya
-          berat badan turun 10% (lemaknya ga ada)
-          Dewasa kelamin mundur 2 minggu (saluran reproduksinya sudah betul2 siap)
Puncak produksi dan jumlah telur lebih tinggi 5 bulan lebih tinggi pada peneluran pertama daripada tidak dibatasi.
Ayam dara jenis pedaging (8-20 minggu)… (2400-2500 kkal/kg) hasil paling baik.


Kebutuhan energy unggas sedang bertelur

Ayam petelur produksi tinggi …300-320 kkal ME/ekor/hari pada temperature (20-24oC), bila temperature (30-35oC), konsumsi energy 10% lebih rendah, bila suhu (10-15oC) konsumsi energy 20-30% lebih tinggi. Peningkatan dan penurunan energy----terhadap konsumsi ransum.
Missal: menurunnya energy ransum 110 kkal/kg--- meningkatnya konsumsi ransum 3,5-4% dan sebaliknya.
Contoh : konsumsi ransum ayam petelur 100 g/ekor/hari, bila kandungan energy ransum 3000 kkal ME/kg, kalau energy ransum meningkat menjadi 3110 kkal ME/kg…berapa konsumsi ransumnya ? 96,4 g.
Induk ayam pedaging berproduksi tinggi---400-450 kkal ME/ekor/hari, diharapkan konsumsi energy 420 kkal ME/ekor/hari.

Kekurangan dan kelebihan energy

-          Kekurangan energy, terjadi bila unggas diberikan ransum berenergi rendah dan bahan ransum tak dapat dicerna (memenuhi tembolok dan saluran pencernaan).
2600 kkal/ME/kg rendah (dataran tinggi)
2400 kkal/ME/kg rendah (dataran rendah)
Bila ayam kekurangan energy untuk maintenan dan berfungsinya organ penting… berat badan ayam turun…. Mati.
Dalam keadaan kekurangan energy, simpanan energy dalam tubuh akan digunakan berturut-turut.





ILMU GIZI TERNAK UNGGAS

SNOW WHITE

Once upon a time in mid winter, when the snowflakes were falling like feathers from heaven, a beautiful queen sat sewing at her window, which had a frame of black ebony wood. As she sewed, she looked up at the snow and pricked her finger with her needle. Three drops of blood fell into the snow. The red on the white looked so beautiful, that she thought, “If only I had a child as white as snow, as red as blood, and as black as this frame.” Soon afterward she had a little daughter that was as white as snow, as red as blood, and as black as ebony wood, and therefore they called her Little Snow-White.
Now the queen was the most beautiful woman in all the land, and very proud of her beauty. She had a mirror, which she stood in front of every morning, and asked:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
And the mirror always said:
You, my queen, are fairest of all.
And then she knew for certain that no one in the world was more beautiful than she.
Now Snow-White grew up, and when she was seven years old, she was so beautiful, that she surpassed even the queen herself. Now when the queen asked her mirror:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
The mirror said:
You, my queen, are fair; it is true.
But Little Snow-White is still
A thousand times fairer than you.
When the queen heard the mirror say this, she became pale with envy, and from that hour on, she hated Snow-White. Whenever she looked at her, she thought that Snow-White was to blame that she was no longer the most beautiful woman in the world. This turned her heart around. Her jealousy gave her no peace. Finally she summoned a huntsman and said to him, “Take Snow-White out into the woods to a remote spot, and stab her to death. As proof that she is dead bring her lungs and her liver back to me. I shall cook them with salt and eat them.”
The huntsman took Snow-White into the woods. When he took out his hunting knife to stab her, she began to cry, and begged fervently that he might spare her life, promising to run away into the woods and never return. The huntsman took pity on her because she was so beautiful, and he thought, “The wild animals will soon devour her anyway. I’m glad that I don’t have to kill her.” Just then a young boar came running by. He killed it, cut out its lungs and liver, and took them back to the queen as proof of Snow-White’s death. She cooked them with salt and ate them, supposing that she had eaten Snow-White’s lungs and liver.
Snow-White was now all alone in the great forest. She was terribly afraid, and began to run. She ran over sharp stones and through thorns the entire day. Finally, just as the sun was about to set, she came to a little house. The house belonged to seven dwarfs. They were working in a mine, and not at home. Snow-White went inside and found everything to be small, but neat and orderly. There was a little table with seven little plates, seven little spoons, seven little knives and forks, seven little mugs, and against the wall there were seven little beds, all freshly made.
Snow-White was hungry and thirsty, so she ate a few vegetables and a little bread from each little plate, and from each little glass she drank a drop of wine. Because she was so tired, she wanted to lie down and go to sleep. She tried each of the seven little beds, one after the other, but none felt right until she came to the seventh one, and she lay down in it and fell asleep.
When night came, the seven dwarfs returned home from the work. They lit their seven little candles, and saw that someone had been in their house.
The first one said, “Who has been sitting in my chair?”
The second one, “Who has been eating from my plate?”
The third one, “Who has been eating my bread?”
The fourth one, “Who has been eating my vegetables?”
The fifth one, “Who has been sticking with my fork?”
The sixth one, “Who has been cutting with my knife?”
The seventh one, “Who has been drinking from my mug?”
Then the first one said, “Who stepped on my bed?”
The second one, “And someone has been lying in my bed.”
And so forth until the seventh one, and when he looked at his bed, he found Snow-White lying there, fast asleep. The seven dwarfs all came running, and they cried out with amazement. They fetched their seven candles and looked at Snow-White. “Good heaven! Good heaven!” they cried. “She is so beautiful!” They liked her very much. They did not wake her up, but let her lie there in the bed. The seventh dwarf had to sleep with his companions, one hour with each one, and then the night was done.
When Snow-White woke up, they asked her who she was and how she had found her way to their house. She told them how her mother had tried to kill her, how the huntsman had spared her life, how she had run the entire day, finally coming to their house. The dwarfs pitied her and said, “If you will keep house for us, and cook, sew, make beds, wash, and knit, and keep everything clean and orderly, then you can stay here, and you’ll have everything that you want. We come home in the evening, and supper must be ready by then, but we spend the days digging for gold in the mine. You will be alone then. Watch out for the queen, and do not let anyone in.”
The queen thought that she was again the most beautiful woman in the land, and the next morning she stepped before the mirror and asked:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
The mirror answered once again:
You, my queen, are fair; it is true.
But Little Snow-White beyond the seven mountains
Is a thousand times fairer than you.
It startled the queen to hear this, and she knew that she had been deceived, that the huntsman had not killed Snow-White. Because only the seven dwarfs lived in the seven mountains, she knew at once that they must have rescued her. She began to plan immediately how she might kill her, because she would have no peace until the mirror once again said that she was the most beautiful woman in the land. At last she thought of something to do. She disguised herself as an old peddler woman and colored her face, so that no one would recognize her, and went to the dwarf’s house. Knocking on the door she called out, “Open up. Open up. I’m the old peddler woman with good wares for sale.”
Snow-White peered out the window, “What do you have?”
“Bodice laces, dear child,” said the old woman, and held one up. It was braided from yellow, red, and blue silk. “Would you like this one?”
“Oh, yes,” said Snow-White, thinking, “I can let the old woman come in. She means well.” She unbolted the door and bargained for the bodice laces.
“You are not laced up properly,” said the old woman. “Come here, I’ll do it better.” Snow-White stood before her, and she took hold of the laces and pulled them so tight that Snow-White could not breathe, and she fell down as if she were dead. Then the old woman was satisfied, and she went away.
Nightfall soon came, and the seven dwarfs returned home. They were horrified to find their dear Snow-White lying on the ground as if she were dead. They lifted her up and saw that she was laced up too tightly. They cut the bodice laces in two, and then she could breathe, and she came back to life. “It must have been the queen who tried to kill you,” they said. “Take care and do not let anyone in again.”
The queen asked her mirror:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
The mirror answered once again:
You, my queen, are fair; it is true.
But Little Snow-White with the seven dwarfs
Is a thousand times fairer than you.
She was so horrified that the blood all ran to her heart, because she knew that Snow-White had come back to life. Then for an entire day and a night she planned how she might catch her. She made a poisoned comb, disguised herself differently, and went out again. She knocked on the door, but Snow-White called out, “I am not allowed to let anyone in.”
Then she pulled out the comb, and when Snow-White saw how it glistened, and noted that the woman was a complete stranger, she opened the door, and bought the comb from her. “Come, let me comb your hair,” said the peddler woman. She had barely stuck the comb into Snow-White’s hair, before the girl fell down and was dead. “That will keep you lying there,” said the queen. And she went home with a light heart.
The dwarfs came home just in time. They saw what had happened and pulled the poisoned comb from her hair. Snow-White opened her eyes and came back to life. She promised the dwarfs not to let anyone in again.
The queen stepped before her mirror:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
The mirror answered:
You, my queen, are fair; it is true.
But Little Snow-White with the seven dwarfs
Is a thousand times fairer than you.
When the queen heard this, she shook and trembled with anger, “Snow-White will die, if it costs me my life!” Then she went into her most secret room — no one else was allowed inside — and she made a poisoned, poisoned apple. From the outside it was red and beautiful, and anyone who saw it would want it. Then she disguised herself as a peasant woman, went to the dwarfs’ house and knocked on the door.
Snow-White peeped out and said, “I’m not allowed to let anyone in. The dwarfs have forbidden it most severely.”
“If you don’t want to, I can’t force you,” said the peasant woman. “I am selling these apples, and I will give you one to taste.”
“No, I can’t accept anything. The dwarfs don’t want me to.”
“If you are afraid, then I will cut the apple in two and eat half of it. Here, you eat the half with the beautiful red cheek!” Now the apple had been so artfully made that only the red half was poisoned. When Snow-White saw that the peasant woman was eating part of the apple, her desire for it grew stronger, so she finally let the woman hand her the other half through the window. She bit into it, but she barely had the bite in her mouth when she fell to the ground dead.
The queen was happy, went home, and asked her mirror:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
And it answered:
You, my queen, are fairest of all.
“Now I’ll have some peace,” she said, “because once again I’m the most beautiful woman in the land. Snow-White will remain dead this time.”
That evening the dwarfs returned home from the mines. Snow-White was lying on the floor, and she was dead. They loosened her laces and looked in her hair for something poisonous, but nothing helped. They could not bring her back to life. They laid her on a bier, and all seven sat next to her and cried and cried for three days. They were going to bury her, but they saw that she remained fresh. She did not look at all like a dead person, and she still had beautiful red cheeks. They had a glass coffin made for her, and laid her inside, so that she could be seen easily. They wrote her name and her ancestry on it in gold letters, and one of them always stayed at home and kept watch over her.
Snow-White lay there in the coffin a long, long time, and she did not decay. She was still as white as snow and as red as blood, and if she had been able to open her eyes, they still would have been as black as ebony wood. She lay there as if she were asleep.
One day a young prince came to the dwarfs’ house and wanted shelter for the night. When he came into their parlor and saw Snow-White lying there in a glass coffin, illuminated so beautifully by seven little candles, he could not get enough of her beauty. He read the golden inscription and saw that she was the daughter of a king. He asked the dwarfs to sell him the coffin with the dead Snow-White, but they would not do this for any amount of gold. Then he asked them to give her to him, for he could not live without being able to see her, and he would keep her, and honor her as his most cherished thing on earth. Then the dwarfs took pity on him and gave him the coffin.
The prince had it carried to his castle, and had it placed in a room where he sat by it the whole day, never taking his eyes from it. Whenever he had to go out and was unable to see Snow-White, he became sad. And he could not eat a bite, unless the coffin was standing next to him. Now the servants who always had to carry the coffin to and fro became angry about this. One time one of them opened the coffin, lifted Snow-White upright, and said, “We are plagued the whole day long, just because of such a dead girl,” and he hit her in the back with his hand. Then the terrible piece of apple that she had bitten off came out of her throat, and Snow-White came back to life.
She walked up to the prince, who was beside himself with joy to see his beloved Snow-White alive. They sat down together at the table and ate with joy.
Their wedding was set for the next day, and Snow-White’s godless mother was invited as well. That morning she stepped before the mirror and said:
Mirror, mirror, on the wall,
Who in this land is fairest of all?
The mirror answered:
You, my queen, are fair; it is true.
But the young queen
Is a thousand times fairer than you.
She was horrified to hear this, and so overtaken with fear that she could not say anything. Still, her jealousy drove her to go to the wedding and see the young queen. When she arrived she saw that it was Snow-White. Then they put a pair of iron shoes into the fire until they glowed, and she had to put them on and dance in them. Her feet were terribly burned, and she could not stop until she had danced herself to death.

Sabtu, 17 November 2012

lutung kasarung story

Prabu Tapa Agung had led a kingdom in West Java for a long time. He was getting old and therefore wanted to choose a successor. But unfortunately, he had no son. He thought of choosing one of his daughters, Purbararang and Purbasari. But it wasn’t an easy choice. They were both very pretty and smart. The only difference was their temperament. Purbararang was rude and dishonest, while Purbasari was kind and caring. With those considerations, Prabu Tapa Agung finally chose Purbasari to be his successor.



Purbararang didn’t agree with her father’s decision. “It’s supposed to be me, Father. I’m the eldest daughter!” Purbararang said. Prabu Tapa Agung smiled. “Purbararang, to be a queen takes more than age. There are many other qualities that one must possess,” explained Prabu Tapa Agung wisely. “What does Purbasari have that I don’t?” Purbararang pouted. “You’ll find out when Purbasari has replaced me,” Prabu Tapa Agung answered.



After the discussion, Purbararang went back to her room. “Is there something wrong?” asked Indrajaya. Indrajaya is Purbararang’s future husband. “I’m upset! Father chose Purbasari as his successor and not me! I have to do something!” Purbararang said. Driven mad by her anger, she came to a witch and asked her to send rash all over Purbasari’s body. Before going to bed, Purbasari started to feel itch all over her body. She tried applying powder to her body, but it’s no use. Instead, the itching grew even worse. She didn’t want to scratch it, but she just couldn’t help it. In the next morning, there were scratch mark all over Purbasari’s body. “What happened to you?” asked Purbararang, pretending to be concerned. “I don’t know, sis. Last night, my body suddenly felt very itchy. I scratched and scratched, and this is what happened,” Purbasari answered. Purbararang shook her head. “You must have done something really awful. You’ve been punished by the gods!”



That day, the whole kingdom was scandalized. “What have you done, Purbasari?” demanded Prabu Tapa Agung. Purbasari shook her head. “I didn’t do anything that would upset the gods, Father,” she answered. “Then how can you explain what happened to your body?” Prabu Tapa Agung asked again. “If you don’t confess, I’ll banish you to the woods.” Purbasari took a deep breath. “Like I said before, I didn’t do anything wrong. And I’d rather be thrown into the woods than to confess to a deed I didn’t commit.”



After a short discussion with his advisor, Prabu Tapa Agung ordered Purbasari to be moved to the woods. Purbasari was very sad, but she couldn’t do anything to defy her father’s order. She was accompanied to the woods by a messenger. He built a simple hut for Purbasari. After the messenger left, suddenly a black monkey came to Purbasari’s hut. He carried a bunch of bananas. From behind him, some animals looked on. “Are the bananas for me?’ Purbasari asked. The black monkey nodded, as if he understood what Purbasari said. Purbasari took the bananas with pleasure. She also said thanks. The other animals that were looking on also seemed to smile. “Are you willing to be my friend?” Purbasari asked them. All the animals nodded happily. Although she was living by herself in the woods, Purbasari never lacked of supplies. Everyday, there were always animals bringing her fruits and fish to eat.



A long time had passed since Purbasari was banished to the woods, but her body still itched. At some places, her skin was even ulcerating. What am I supposed to do?” Purbasari sighed. The monkey who was sitting next to her stayed still, there were tears in his eyes. He hoped Purbasari would remain patient and strong.



One night, on a full moon, the monkey took Purbasari to a valley. There is a pond with hot spring water. The monkey suddenly spoke, “The water of this pond will heal your skin,” he said. Purbasari was surprised, ”You can talk? Who are you?” she asked. “You’ll find out, in time,” the monkey said. Purbasari didn’t want to force the monkey. She then walked to the pond. She bathed there. After a few hours, Purbasari walked out of the pond. She was shocked to see her face reflected on the clear pond water. Her face was beautiful again, with smooth and clean skin. Purbasari observed her entire body. There were no traces of any skin ailments. “I’m cured! I’m cured!” Purbasari shouted in joy. She quickly offered thanks to the gods and also to the monkey.



The news of Purbasari’s condition quickly spread to the kingdom, irritating Purbararang. She then accompanied by Indrajaya go to the woods to see Purbasari. Purbasari asked if she would be allowed to go home. Purbararang said she would let Purbasari return to the palace if Purbasari’s hair were longer than hers. Purbararang then let her hair down. It was so long, it almost touched the ground. But it turned out that Purbasari’s hair was twice longer than Purbararang’s hair.



“Fine, so your hair is longer than mine.” Purbararang admitted. “But there is one more condition you must fulfill, do you have a future husband who is handsomer than mine?” said Purbararang as she walked toward Indrajaya. Purbasari felt miserable. She didn’t have a future husband yet. So, without much thought, she pulled the black monkey beside her.



Purbararang and Indrajaya burst out, but their laughter didn’t last long. The monkey meditates and suddenly transformed into a very handsome young man, a lot more handsome than Indrajaya. “I’m a prince from a kingdom far away. I was cursed to be a monkey because of a mistake I committed. I could regain my true form only if there’s a girl who would be willing to be my wife,” said the young man.



Finally, Purbararang gave up. She accepted Purbasari as the queen, and also confessed everything she had done. “Please forgive me. Please don’t punish me,” Purbararang said, asking for forgiveness. Instead of being angry, Purbasari smiled. “I forgive you, sis,” she said. Soon after, Purbasari become queen. Beside her was the handsome prince, the former monkey known as Lutung Kasarung.

Tatalaksana padang pengembalaan tropika



Pasture (padang rumput) establishment
- Mulai ditanam sampai panen
- Factor yang berpengaruh:
· Keadaan tanah


Dari sisi topografi, dan kesuburan. Miring atau datar, berbukit atau tidak, subur atau tidak.
· Bibit/benih

1.Kualitas. Diukur dengan :
a. % germinasi (proses perkecambahan)
b.% caryopsis
c. % PLS
d. Dormance (sifat dorman). Ada yang bersifat fisik D (diatasi dengan skarifikasi), dan ada yang bersifat psyological D



2.Kuantitas
a. Jenis
b. Luas pasture

· Iklim

· Tatalaksana

· Gulma/weed

· Penyakit




Tahapan establishment
1. Persiapan lahan
2. Persiapan bibit
3. Penanaman
4. Pemupukan (sebelum dan sesudah)
5. Pemeliharaan (kompetisi, irigasi)
6. Pemanenan (umur, kebutuhan)

Persiapan lahan :

- Lokasi cocok (cari yang ideal), cuaca yang cukup, dekat dengan sumber air, tidak berbukit atau terjal.
- Land clearing (permbersihan lahan), dengan cara selektif (tanaman yang bisa untuk makanan ternak dibiarkan) dan ada beberapa tanaman yang dibiarkan untuk tujuan naungan.
- Tillage (pengolahan lahan), lihat kondisi lahan. Bakar tidak dianjurkan (membunuh mikroba dan makroba tanah, komposisi tanah berubah jadi panas karena terdapat banyak karbon hasil dari pembakaran)
· Zero tillage (tidak perlu diolah)
· Weed (disemprot)
· Tergantung biji. Apakah harus ditabur, dll.







Untuk menentukan sowing rate (jumlah biji yang dubutuhkan per satuan luas lahan/ Ha) akan sangat bergantung pada ukuran biji. Jumlah tidak dihitung, biasanya satuannya kg.
Persiapan bibit:

- Sumber bibit (harus tau)
- % germinasi
- Kemurnian biji
- Skarifikasi


Penanaman :

- Disebarkan (broad cast)
- Drilling/dibuatkan lubang (dalam tidaknya lubang, tergantung ukuran biji). Biasanya lubang berkisar antara 1-1,5 cm. jika terlalu dalam maka proses muncul tunas setelah perkecambahan ke atas permukaan tanah akan semakin lama. Sedangkan jika terlalu dangkal maka kelembaban akan kurang.


Pertumbuhan dan perkembangan (ada 3 fase)

1. Fase germinasi

Mulai dari imbibisi sampai plumule(akan menjadi pucuk) dan radicle (akan menjadi akar). Kemudian terangkat kepermukaan tanah.

2. Fase establishment (pembentukan dan pengembangan pasture/ mulai dari panen dan pemanfaatan)

a. Legume/berpolong, kacang-kacangan ditandai dengan: akar utama dan akar cabang

b. Rumput ditandai dengan: akar serabut dan anakan

c. Pertumbuhan lebih lanjut ditandai dengan: anakan, cabang, stolon, merambat, hingga terjadinya pembungaan pertama.

3. Fase konsolidasi / thickening (perapatan)/(pertumbuhan generasi ke-2)

Biji-biji yang terbentuk pertama jatuh ketanah (tumbuh).

Jumat, 16 November 2012

Bromo mountain

Long long time ago there lived a couple in the village near the top of mount Bromo. Joko Seger is his name. He lived peacefully with his wife Roro Anteng. But they were not happy because after some time they did not have any children. Then Joko Seger meditated in mount Bromo asking for god to give them children.
 
Some times later Joko Seger had a dream. In his dream he was told that he would have descendants but on one condition. The god asked him to sacrifice his children to the crater of mount Bromo. If he refused to sacrifice, then the god will be angry. Without thinking twice Joko Seger agreed to the condition.
 

After that every year Roro Anteng gave birth to twenty five children. They were very happy and they loved their children so much that they were reluctant to sacrifice them to the crater. They did not give anything to the crater. Then something happened.
 
One day there was a big eruption of mount Bromo. Smoke, fire, hot cloud of ash came out of its crater. The earth was trembling. The sky was dark. Animals ran away from the mountain. People were very scared since some of them became victims of the hot cloud.
 
Joko Seger and Roro Anteng remembered their promise to god. He realized that god was very angry. So he decided to sacrifice one of his sons. Then he went to the crater with his youngest son Kusuma. Because Joko Seger did not really want to sacrifice his son to the crater, he tried to hide him. But suddenly an eruption began and made Kusuma fall. Afterwards, Kusuma, who had fell to the crater, gave a voice, "I have to be sacrificed by my parents so that you will all stay alive. From now on, you should arrange an annual offering ceremony on the 14th of Kesodo (the twelfth month of Tenggerese calender.)" 

Since then on Joko Seger and Roro Anteng gave offerings to the crater. Every year on the 14th day of the month of Kesada the people of Tengger held a ceremony to give offerings.

Kamis, 15 November 2012

Toba lake

Once upon a time there was a prosperous village in a far away island called Sumatra. In northern part of the island, lived a farmer whose name was Toba. He lived alone in a hut by a small forest. He worked on his farmland to grow rice and vegetables that he sells to local market. Once day he wanted to catch some fish so he went to a river and fished there. He was very surprised when he got a big fish. The fish was as big as human being. Soon he went home and put the fish in his kitchen. He planned to cook the fish for his dinner that night. When he got to his house that afternoon he took a bath. Then as he walked into his bedroom after taking a bath Toba was very shocked. Do you want to know what happened?

There stood in his living room a very beautiful girl. The girl greeted him nicely. For a moment Toba was speechless. When he could control his emotion he asked her.

‘Who are you? What’s your name? Why suddenly you are here in my house?’

‘Pardon me if I surprised you Mr. Toba, but you took me here. I was the fish that you caught in the river. Now that I become a human being again, I would like to thank you and I will be your servant to express my thankfulness’

‘Were you the fish?’

‘Yes, I was the fish. Look at your kitchen’.

Toba immediately rushed to his kitchen and the fish was nowhere to be seen. He saw some gold coins instead.

‘Whose coins are these? Why there are some coins here?’
‘Those coins are mine. As I changed into human being my scales changed into gold coins’

‘Ok you can live here and work for me. Your room is over there’

‘Thank you very much Mr. Toba’

Since that day the beautiful girl lived in Toba’s house. Since she was very beautiful Toba fell in love with her and not long after that they got married. The girl married to Toba on one condition that he would never tell anybody about her past. Toba agreed to the condition. Several months later Toba’s wife delivered to a baby boy. Their son was healthy. Soon he grew up into a handsome boy. Toba named him Samosir. Unfortunately Samosir was a lazy boy. He did not want to work at all. When his father worked hard in his rice field and farm, Samosir just slept. When he was awake he talked a lot and he ate a lot. Toba was very disappointed with his son’s nature. He hoped that one day Samosir would change into a diligent boy. Day in and day out but Samosir never changed.

Toba used to go to his farm and rice field early in the morning. Then at midday his wife would bring him food. They used to eat lunch at their farm. As he was a teenager Toba and his wife tried to change his behavior. They ordered Samosir to bring food for his father for lunch while her mother stayed at home to do household chores. But Samosir never did his duty well. He always woke up very late. He woke up after midday. Then one day his mother forced him to bring the food.

‘Sam, wake up. Go to the farm and bring the food for your father. He must be very tired and hungry now’.
But Mom, I am tired and hungry too’

‘What makes you tired? You just wake up. Go now. You father needs the food’

Toba reluctantly went to the farm. But he did not go to the farm immediately. He stopped somewhere in the street and ate the food. It was already late afternoon when he got to the farm. His father was disappointed. Then he was angry as he realized that his son had eaten his food. He said sarcastically.

‘O, you are stupid lazy boy. You are son of a fish!’

Samosir was hurt. He went home right away and as he got home he told his mother about his father’s words. Samosir’s mother was shocked. She was also deeply hurt.

‘O Toba. You break your promise so I cannot live with you here anymore. Now you have to accept to consequence of what you did. Samosir, now go to the hill, find the tallest tree and climb it’

‘Why mom? What will happen?’

‘Just do it, never ask any question. Good bye’

As soon as she finished saying that suddenly the weather changed. Sunny day suddenly turned into cloudy day. Not long after that the rain poured heavily. The rain last for several days. Consequently the area was flooded. The whole area became a big lake. Then it was called Lake Toba and in the middle of the lake there is an island called Samosir Island. Meanwhile Toba’s wife disappeared.

Lake Toba is located in the province of North Sumatra, Indonesia. Today it becomes a tourist destination.

Sifat kimia dan fisik telur

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