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R.W.S. Ningrat
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Agriculture, Biological Sciences & Forestry

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Efek Suplementasi Daun Ubi Kayu terhadap Kecernaan Daun Sawit Amoniasi secara In Vitro - Nurhaita; R.W.S. Ningrat
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 13, No 1 (2011): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1654.122 KB) | DOI: 10.25077/jpi.13.1.43-47.2011

Abstract

The purpose of this study was to obtain the level of supplementation of cassava leaves as a source of branched chain amino acids in improving nutrients digestibility of ammoniation palm leaf, and characteristics of rumen fluid ( in-vitro). The experiment was designed by using randomized block design with 6 treatments of supplementation of cassava leaf (A = 0% as control, B = 5%, C = 10%, D = 15%, E = 20% and F = 25% of dry matter) with 4 replications. Parameters were: 1) Digestibility of nutrients (dry matter, organic matter, crude protein) 2) Digestibility of fiber fractions (NDF, ADF, cellulose and hemicellulose) and 3) Characteristics of rumen fluid (pH, NH3, and VFA) by in- vitro. The results showed cassava leaves supplementation significantly (P <0.05) increased the in-vitro digestibility of palm leaves ammoniation. The highest dry matter digestibility obtained at cassava leaf 5% (24.09%) in comparing controls (45.49% vs. 56.45%), and ADF digestibility increased by 36.91% compared to controls (37.25% vs. 51.00%). Cassava leaves maintained rumen fluid characteristics for microbial rumen growth and activities. It concluded, the level of supplementation cassava leaves as a source of the best branched chain amino acids in palm leaf ammoniation was 5%.
Aplikasi Pakan Konsentrat Berbasis Bahan Lokal untuk Meningkatkan Pertumbuhan dan Kualitas Karkas Sapi Khasrad Khasrad; Arnim Arnim; R.W.S. Ningrat; Rusdimansyah Rusdimansyah
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 13, No 1 (2011): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (698.782 KB) | DOI: 10.25077/jpi.13.1.36-42.2011

Abstract

The Pesisir cattle are indigenous West Sumatera cattle. Their quality needs to be improved since they can live in local environment with sufficiently available feed resources. A research has been done to study the effects of feeding level and fattening period to the growth and the carcass characteristics of the Pesisir cattle. This research was designed by using block design with three blocks. The first factor was two levels of feeding, i.e: A1 = 50 % concentrate + 50 % ammoniated rice straw, A2 = 75 % concentrate + 25 % ammoniated rice straw. The second was time period of fattening, i.e: B1 = 3 months and B2 = 4 months. The results showed that there was no interaction between the level of feeding and fattening period to the growth, percentage of carcass, the back fat thickness and the rib eye area of the Pesisir cattle (P> 0.05). The higher of concentrate percentage, the higher the growth of the cattle, the thicker the back fat and the wider the rib eye area will be (P<0.05). Similarly, the longer the fattening, the higher the percentage of carcass, the thicker the back fat and the wider rib eye area will be.
Co-Authors Arnim Arnim Khasrad . Nurhaita Nurhaita Rusdimansyah Rusdimansyah