Pendugaan Keunggulan Pejantan Kambing Peranakan Ettawa Berdasarkan Bobot Lahir Dan Bobot Sapih Cempe Di Satker Sumberejo Kendal (Estimation of Ettawa Grade Buck Superiority Based on Birth and Weaning Weight of Kid at Satker Sumberejo Kendal)

Abstract

This research was conducted at SATKER Sumberejo Kendal from September to October 2014. The objective of this study was to evaluate the superiority of Ettawa grade buck on the basis of weight at the birth and weaning. Materials used were the records of parent and kids (mating time, date of birth, sex, type of birth, birth weigth and weaning weight).Birth and weaning weigthwere standardized based on sex, types of birth and age of parent at kidding. Estimation of buck superiority was conducted by using the formula of Estimation Breeding Value (EBV). Rank of buck superiority on birth and weaning weight were tested by Spearman's Rank Correlation. The results showed that there wereno significant differences (P<0.05) between male and female and type of birth at birth and weaning time. Result of Spearman's rank correlation test on the buck superiority on the basis of birth and weaning weight showed the significant correlation (P<0.05).The conclusion of this research that bucks with Tag 025, 0455 and 0420 were superiorbuck, because they had a high breeding value based on birth weight and weaning weight kid