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All Journal Jurnal Sain Peternakan Indonesia Jurnal Ilmiah Ilmu-Ilmu Peternakan
Silvia Erina
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Veterinary

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Polimorfisme Protein Darah Domba di Kabupaten Batanghari Silvia Erina; Helmi Ediyanto
Jurnal Ilmiah Ilmu-Ilmu Peternakan Vol. 15 No. 1 (2012): Mei 2012
Publisher : Fakultas Peternakan Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.634 KB) | DOI: 10.22437/jiiip.v15i1.1516

Abstract

In  Pemayung and Muara Bulian Subdistrict, Batanghari District, the population of sheep is relatively high. However, information on  genetic characteristics of the sheep has not been well-identified yet . Therefore, in order to reach one of the objectives of veterinary development, conservating local breeds, it is necessary to know blood protein polymorphism of the sheep. One way to identify genetic characteristic of the sheep is by analizing blood protein  electrophoretically.The research is aimed at analizing genetic characteristics of sheep in Batanghari District, including characteristics of blood protein by electrophoresis to know blood protein polymorphism patterns. Blood samples were taken from 20 sheep, 10 sheep from Pemayung Subdistrict and 10 sheep from Muara Bulian Subdistrict. Analysis was conducted at Livestock Molecular  Genetic Laboratory Veterinary Faculty Bogor Agriculture Institute. Allelic Frequency was directly calculated with Hardy-weinberg proportion and genetic distance is was calculated with method of Nei . The result of electrophoretic analysis  has found 5 kinds of proteins ; Albumin, Postalbumin, Transferin, Posttransferin-1 and Posttransferin-2. Albumin and Postalbumin are controlled by 2 alleles ; Allele A=0,6 and allele B=0,4, Transferin is controlled by 4 alleles ; allele A = 0,025, allele B=0,50, allele C=0,45, and allele D=0,025. Posttransferin-1 and posttransferin-2 are controlled by an allele; allele A=1,00. In conclusion, there are 5 kinds of blood protein, they are Albumin, Postalbumin, Transferin, Posttransferin-1 and Posttransferin-2.Polymorphism is detected in 3 loci; Albumin, Postalbumin and Transferin with Heterozigocity Average 0,29 in Pemayung Subdistrict and 0,287 in Muara Bulian Subdistrict. Albumin and Postalbumin loci can be considered as main genetic characteristics.  
Correlation Between Body Weight and Carcass Weight in the Selection of Village Chicken Three-Generation Avrilliani, Puspita; Wiyanto, Eko; Erina, Silvia; Depison, Depison
Jurnal Sain Peternakan Indonesia Vol 19 No 2 (2024)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jspi.id.19.2.78-83

Abstract

This study aims to estimate the correlation between body weight and carcass weight in selected native chickens in the third generation (G3). The material used in this study was 200 DOC managed with a free-range system. The samples used to obtain carcass weight were determined by purposive sampling, consisting of 38 male chickens and 26 female chickens. The data obtained were analyzed using correlation and regression analysis. The observed variables were body weight (BW) at 2, 4, 6, 8, and 10 weeks of age (independent variable) and carcass weight (CW) at 10 weeks of age (dependent variable). The results showed that the average body weight (BW) of male and female chickens up to 6 weeks of age showed no significant difference (P>0.05). After eight weeks of age, the male free-range body weights were significantly different (P<0.05) higher than female chickens, while at the period of 10 weeks, the body weights of male chickens were significantly different (P<0.01) and showed higher than female chickens. Male chickens' average free-range carcass weight was significantly higher (P<0.01) than the carcass weight (CW) of female chickens. The correlation between body weight at 2, 4, 6, 8, and 10 weeks and carcass weight showed a close correlation, ranging from 0.71 to 0.97. The highest correlation coefficient values were found in male and female native chickens at ten weeks of age, with 0.94 and 0.97. It can be concluded that BW at 2, 4, 6, 8, and 10 weeks of age in male and female chickens strongly correlated with carcass weight (CW). Hence, body weight (BW) could be used as a selection criterion to increase chickens' carcass weight (CW) under study.
Co-Authors Avrilliani, Puspita Depison Depison Eko Wiyanto, Eko Helmi Ediyanto