Effect of genetic and environmental factors on milk yield and cow milk composition. Pt. 1. Lactation number
1993
Puchajda, Z. | Czaplicka, M. | Wielgosz, Z. | Gebler, A. | Iwanczuk, K. | Jozwik, R. (Akademia Rolniczo-Techniczna, Olsztyn (Poland))
Studies on 312 Black-and-White cows as well as on Holstein-Friesian crossbred ones of different genotypes in 3 herds were carried out. The progressive milk yield increasing between the first and third lactation irrespective of the cow genotype was stated. No effect of the lactation number and herd on the milk protein, fat and dry matter content was observed
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Central Agricultural Library