Influence of the Temperament Over The Milk-Yield of Goats of Bulgarian White Milk Breed and Its Cross-Breeds With Togenburg and Anglo-Nubian Breed

Abstract

The present study had the aim to study the relation between milk productivity and the temperament of goats of Bulgarian White Milk breed and its cross-breeds with Toggenburg and Anglo-Nubian. The methodology was used after the model of Dimitrov et al. (2008) applied for sheep. From 53 goats examined, 35 were determined as having a nervous temperament (0 and 1 spot) and 18 with a calm temperament (2 and 3 spots). In relation to determining the influence of temperament of mother goats on their milk productivity, data from studbooks were used for the average milk-yield for lactation of each goat. In the present experiment we found that the emotional susceptibility of goats influenced their milk productivity. For animals with a calm temperament average milk-yield of 596 l was registered, which was 20 l more than in goats with a nervous temperament (576 l). Due to the small number of animals, we could not draw a well-grounded conclusion for the influence of temperament on the milk-yield for different ages in goats