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All Journal Animal Production : Indonesian Journal of Animal Production
A Priyono, A
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Veterinary

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Voluntary Feed Intake and Growth of Local Sheep Fed on Road Side Grasses Following A 6-Week Feed Restriction Period Yuwono, P; Hartoyo, B; Priyono, A; Soeprapto, H
ANIMAL PRODUCTION Vol 2, No 2 (2000): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Abstract

The purpose of this experiment was to investigate an adaptation time sheep to eat at a normal amount required by the local experiencing liveweight loss due to feed restriction, to investigate feed intake and feed digestibility and to investigate sheep growth following feed restriction. The experiment was conducted in The Experimental Farm of Faculty of Animal Husbandry, Unsoed. Twelve local sheep were randomly assigned to two different groups of treatment: namely, control (C) and restrictively Fed Animal (R). there were two periods through out the experiment, Period I (PI) and II (PII). During P I (6 week), Animals in group R were restrictively fed so that they lost live weight of approximately 15%. During P II Animals in group  R were than offered ad libitum. Whereas, animal in group C were fed ad libitum through out the experiment. The results of this experiment showed that animals in group R needed 17 days for adaptation to consume feed at a normal amount after they had experienced feed restriction for 6 weeks. Dry matter intake was not different between group C dan R. However, when it was expressed per metabolic live weight (g/Kg0,75), Dry matter intake for group R was significantly higher than that for group C (102.35 vs 91,79). Dry matter digestibility value for group R was higher than that for group C either during PI (62 vs 57%) or during PII (70 vs 61%). The rate of live weight gain was not different between C and R during period II. In conclusion, local sheep had capability of consuming more feed after resumption of full feeding for 17 days. (Animal Production 2(2): 47-52 (2000) Key words : local sheep, dry matter, organic matter, period, restriction, digestibility
Assessment of the Kid Production Traits of Kacang Goat under Smallholders Production System Sodiq, A; Priyono, A; Tawfik, ES
ANIMAL PRODUCTION Vol 12, No 2 (2010): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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The main objectives of this study were to assess the influence of environmental (non-genetic) factors on kid production traits of Kacang goat under smallholders production system. The study was conducted at the Kacang goat smallholders, located at the centre of Kacang goat in Gundi subdistric, Purwodadi regency, Central Java. The kid production traits evaluated are birth weight, weaning weight, and growth rate till weaning. The environmental factors assessed were: sex (male, female), type of birth (singles, twins, triplets) and dam’s parity (1-7). Data were analysed statistically according to the analysis of variance procedure using the General Linear Model (GLM). Least squares analysis revealed that dam’s parity, birth type, and sex of kid were significant sources of variation for birth and weaning weight and pre weaning growth in Kacang kids. The average birth weight, weaning weight and pre weaning growth of males (2.07±0.02 kg;  10.457±0.1 kg; 69.35±0.73 g/d) were found to be higher than females (1.95±0.02 kg; 9.15±0.09 kg; 60.73±0.71 g/d). Kid production traits increased with parity, with the largest values at the fourth parity and then slightly decreased thereafter.  The average male and female birth weight (2.18+0.03 kg; 2.02+0.03 kg), weaning weight (10.72+0.11 and  9.39+0.13 kg) and pre weaning growth (71.63+0.79 and  62.21+0.96 g/d ) of single kids were heavier than twins, and triplets indicating the influence of the mothering ability of doe. It was recommended, the farmers should consider maternal ability for improvement of weaning weight and growth rate of Kacang kids. (Animal Production 12(2): 111-116 (2010)Key Words: Kacang goat, kid production, birth weight, weaning weight, growth rate
Co-Authors A Sodiq B Hartoyo, B ES Tawfik, ES H Soeprapto, H P Yuwono, P