COMPARATIVE STUDY ON THE MILK PRODUCTION AND THE DURATION OF LACTATION IN EWES OF SYNTHETIC POPULATION BULGARIAN MILK
Tanya S. Ivanova, Emiliya T. Raicheva
Strony: 84-91
Opublikowano: 1 Jan 2013
Wyświetlenia: 248
Streszczenie: The aim of this work was to carry a comparative study on the milk production and the duration of the lactation in ewes of Synthetic population Bulgarian milk. The investigation was carried out with 84 ewes on first and second lactation raised in the Institute of Animal Science – Kostinbrod and Vrana LTD. The milk production was controlled and calculated by AC method of ICAR. The obtained information was analysed by the statistical package of EXCEL 2003. We found significant effect of the flock on the milk production during suckling and the lactation period on first lactation (P<0,05, P<0,01), on the suckling and standard 120 days milking milk production on second lactation (P<0,05, P<0,01) and on the duration of suckling, milking and lactation period on first and second lactation (P<0,001) as well. Significantly higher values of the duration and the milk production during the different periods of lactation in the flock of the Institute of Animal Science – Kostinbrod were determined. Only the 120 days milking milk production and the average daily milk production on second lactation were significantly higher in the flock of Vrana LTD.
Słowa kluczowe: dairy sheep, duration of lactation, milk production
Cytowanie artykułu: Tanya S. Ivanova, Emiliya T. Raicheva. COMPARATIVE STUDY ON THE MILK PRODUCTION AND THE DURATION OF LACTATION IN EWES OF SYNTHETIC POPULATION BULGARIAN MILK. Journal of International Scientific Publications: Agriculture & Food 1, 84-91 (2013). https://www.scientific-publications.net/en/article/1002939/
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