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Pertumbuhan Kompensasi Ayam Betina Hasil Persilangan Antara Ayam Kampung Jantan Dengan Ayam Ras Petelur Betina Yang Mendapat Level Protein Pakan Masa Starter Berbeda Harimurti Februari Trisiwi
Buletin Peternakan Vol 40, No 2 (2016): BULETIN PETERNAKAN VOL. 40 (2) JUNI 2016
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v40i2.10622

Abstract

The experiment was conducted to examine the effect of various dietary protein levels during starting period (0-9 weeks) on compensatory growth period (9-12 weeks) of crossbred hens between cockerel native chicken and laying hens. Thirty two day old chicks were randomly divided into four different groups. For the first 9 weeks, each groups were fed with four different treatments : P1 type with 21,13% dietary protein, P2 type with 18,71% dietary protein, P3 type with 16,58% dietary protein, and P4 type with 14,79% dietary protein. At 9 weeks of age, each treatment group were then divided into 4 replications. The all chickens were then fed with P1 type feed until the end of the experiment during compensatory growth period. The variables observed were consumption (feed, protein, energy), the final body weight, the weight gain, the feed conversion, the protein efficiency ratio, and the energy efficiency ratio. The collected data were analysed using the one-way classification of variance analysis (CRD), followed by testing the significant means using The Duncan’s Multiple Range Test (DMRT). The result showed that the various dietary protein during the starting period did not cause significant differences on feed consumption during the compensatory growth period. The consumption of the P3 type and the P4 type feed during the starting period resulted a better weight gained and feed conversion during compensatory growth period than the use of the P1 type. The highest compensatory growth was achieved by the treatment group with the P3 type feed, as there was no significant difference of the chicken’s final body weight compared to chickens being fed with higher protein percentage (21,13%). There was also no significant difference of the protein and energy consumption among the treatment groups. Protein efficiency ratio and energy efficiency ratio of chicken fed with P3 and P4 type of feed are better than those fed with a higher dietary protein level. In conclution crossbred hens fed with high protein level (more than 18.71%) did not significantly affected on the weight gain and the final body weight during 9 to 12 weeks of rearing.
Pengaruh Level Protein Pakan pada Masa Pertumbuhan terhadap Penampilan pada Awal Peneluran Ayam Betina Hasil Persilangan Ayam Kampung Jantan dan Ayam Ras Petelur Betina Harimurti Februari Trisiwi
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 12 No. 2 (2017)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (761.798 KB) | DOI: 10.21776/ub.jitek.2017.012.02.1

Abstract

This research aims to examine the effects of various dietary protein levels during growing period crossbreed hens between cockerel native chickens and laying hens on performance at onset of lay. The effects of the dietary protein levels on weight and other components of eggs were also examined. Eighteen hens aged thirteen weeks were randomly divided into three different treatment groups. Each group consists of six replications. The replication contains a hen. All the treatment hens were grown in a battery-cage until reaching sexual maturity then were fed with three different dietary protein levels which are 13,54%, 12,00%, and 9,80% formulated with 2600 kcal/kg ME. The collected data were analyzed by a one-way classification of variance analysis (CRD) followed by testing the significant means using The Duncan,s MultipleRange Test (DMRT). The experiment result suggested that the treatment during hen’s growing period did not cause significance on performance at onset lay, egg weight, and egg components weight. 
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