Goat Productivity Kept Under a Group Management System in Yogyakarta

Abstract

In Yogyakarta Province recently, the group management system of goat farming has been highly encouraged. Little infomiation has been available on animal productivity under such a system. Therefore, this study was conducted to determine animal productivity in this system. Two hundred forty eight Ettawa Cross goats of different ages kept by the group of Ketawang Damai, Yogyakarta were used as study materials. Observation of animal production and reproduction
performance was carried for one year. Data taken included mating, pregnancy, birth, body weight, body size, health and ration. Observation results showed that for the does service per conception was 1.00, litter size was 1.75, kid mortality was 2.82%. For the offspring, birth rate was 31.05%, average birth weight was 2.21 i 0.47 kg, pre-weaning average daily gain was 113.44 1 0.63 g, and weaning weight (90 days) was 12.42 1: 1.22 kg. The average chest circumference, withers height, and body length at weaning age (90 days) were respectively 51.68 4: 3.18 cn1, 50.85 i 2,93 cm, and 43.21 i 4.18 cm. No illness nor death was found‘ among
young or mature animals during the observation, while among the kids, mortality rate was 2.82%. From the data taken, it was concluded that Ettawa Cross goats productivity kept under group management system demonstrate improved productivity in relation to goats raised under more conventional system.