PHENOTYPIC PARAMETERS OF MILK PRODUCTION IN DAIRY ROMANIAN BLACK SPOTTED BREED FROM PETREŞTI –ALBA FARM

Abstract

The aim of this study was to investigate the phenotypic parameters in 101 dairy cows belonging to Romanian Black Spotted breed, from Petreşti-Alba farm. For milk, fat and protein yield, cows were milked twice a day for a complete lactation of at least 305 days, from 2005 to 2007. Dairy cattle are the main milk supplier, the world production being over 650,000,000 MT/year. This production provides 35% of the total animal protein for the human consumption. Milk composition is of extreme importance to the consumer from a nutritional point of view. In the herd of dairy Romanian Black Spotted breed, from Petresti-Alba, the average milk yield was 4600.32±97.52 kg. The milk fat yield obtained per c ow was 180.87±3.81 kg, while protein yield was 155.61±3.16 kg.

Keywords

• dairy cattle
• milk
• fat
• protein
• yield