The growth curve of body weight in Kacang goats managed by smallholders at Tambang District of Indonesia
2020
RUSTANDİ WİRADARYA, Tantan; Faculty of Agriculture | Animal Sciences, State Islamic University of Sultan Syarif Kasim, Riau, Indonesia | PİNTAKA BAYU PUTRA, Widya | Indonesian Institute of Science | EFENDİ HARAHAP, Anwar; Faculty of Agriculture | Animal Sciences, State Islamic University of Sultan Syarif Kasim, Riau, Indonesia | SUSKA, Alwi; Faculty of Agriculture | Animal Sciences, State Islamic University of Sultan Syarif Kasim, Riau, Indonesia
Kacang goat (Capra hircus) is one of Indonesian germ plasm and kept by smallholders for meat production. This research was carried out to obtain the growth curve of body weight from 1 to 24 months of age in Kacang goats managed by smallholders at Tambang District of Indonesia. Total of 100 goats (51 buck and 49 does) were used in this study to obtain Logistic and Gompertz growth curves. Research showed that the Logistic and Gompertz growth curve have similar of coefficient of determination value (R2= 0.98). However, the standard error (SE) value in Gompertz was lower than Logistic curves. The inflection weight (IW) was reached of 13.16 to 15.30 kg (Logistic) and 12.76 to 14.41 kg (Gompertz). The inflection age (IA) was reached of 12.95 to 15.57 months (Logistic) and 12.71 to14.41 months (Gompertz). The growth rate (GR) were reached of 1.06 to 1.23 kg/month (Logistic) and 1.02 to 1.10 kg/month (Gompertz). It was concluded that Gompertz growth curve was the best predictor to predict body weight in Kacang goats.
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