STUDY REGARDING THE EFFECT OF CROSSBREEDING WITH SPECIALIZED DAIRY BREEDS ON MILK PRODUCTION FROM CARPATHIAN GOATS

Andreea Anghel, Dorina Nadolu

Abstract
   The purpose of this study was that to evaluate the differences regarding the milk quantity and the biochemical composition of milk between primiparous goats of Carpathian breed and F1 hybrids of Alpin x Carpathian and Saanen x Carpathian, bred and exploited in the same conditions. The F1 hybrid females of Alpine x Carpathian and Saanen x Carpathian were obtained by artificial insemination of a lot of females of Carpathian breed with seminal material provided from he-goats of Alpine and Saanen pure breed. After weaning, the goats were milked 2 times a day, for 5 months. The control of milk production was done monthly. It was individually weighed the quantity of milked milk in the morning and in the evening. Also, there were taken individual samples of milk for the qualitative analysis. The bio-chemical parameters (fat, protein, lactose) were analysed by ultrasonic method at a Lactoscan analyser standardized for milk. The results shows that the average amount of milked milk of hybrids is significantly increased (p<0.05) compared to the Carpathian breed (2031 g, 2033 g, vs 1145 g). The proportion of fat is significantly higher (p<0.05) at both categories of half-bred besides Carpathians (3.74%, 3.84%, vs 3.69%). In conclusion, the crossbreeding of the Carpathian breed with specialized breeds for the milk production leads to an increase of the productive potential.

Key words: goat, milk, Carpathian, crossbreds