Calving patterns in seasonal dairy herds
Macmillan, K.L., Henry, R.I., Taufa, V.K., Phillips, P.Volume:
38
Language:
english
Journal:
New Zealand Veterinary Journal
DOI:
10.1080/00480169.1990.35642
Date:
December, 1990
File:
PDF, 4.95 MB
english, 1990