The effect of age at first calving and length of interpregnancy period on the yield and composition of milk in Black-and-White cows

• Autorzy: Pytlewski J. , Antkowiak I. , Dorynek Z.
• Języki publikacji: EN

Abstrakty

EN

Słowa kluczowe

EN

animal age; age effect; first calving; length; interpregnancy period; milk yield; milk composition; Black-and-White breed; cow

• Wydawca: -
• Czasopismo: Animal Science. Scientific Papers of Agricultural University of Poznan
• Rocznik: 2006
• Tom: 08
• Opis fizyczny: p.37-45,ref.

Twórcy

autor

Pytlewski J.

• Department of Cattle Breeding and Milk Production, The August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 71A, 60-625 Poznan, Poland

autor

Antkowiak I.

• Department of Cattle Breeding and Milk Production, The August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 71A, 60-625 Poznan, Poland

autor

Dorynek Z.

• Department of Cattle Breeding and Milk Production, The August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 71A, 60-625 Poznan, Poland