Dairy production in the indigenous Arbia goat breed and growth performance of their kids in Algeria

Knowledge of dairy potential is essential to create products that fully express their genetic potential. This study was carried out on 94 Arbia adult goats and 65 kids (n=195) (February – May 2022) in the wilayas of Souk-Ahras and Tebessa with the aim of estimating the dairy potential of the breed, and the daily gains (ADG) between birth and 90 days of age. The data revealed that daily milk production (n=94) was 0.89±0.85 litres per day. Milk quality was characterised by an average composition of 3.2% fat, 13.46% total protein, 17.28 % total dry extract, 0.78% salt, pH 7.08±0.01, acidity 17.7°D, density 1032 and protein/fat ratio 4.29. Regarding growth performance, the average birth weight was W0 = 1.80±0.61 kg, while the average at 90 days was W90 = 10.05±2.02 kg, which corresponds to an overall daily weight gain of ADG0-90 = 91.66 g/day. The study showed that birth weight was not affected by sex (P>0.05), though males grew faster after weaning (P<0.05), and the performance aspect carried out by some physicochemical characteristics of milk was affected by area (P<0.05). The study results indicated that the local breed goat had good production dairy performance and goat kids demonstrated acceptable potential for meat production under the semi-arid Algerian environmental conditions. Therefore, it would be suitable to check for the presence of lactogenic plants on the pastures of these breeders to enhance production.