Trends in growth and age at first calving for Holstein and Ayrshire heifers in Quebec
Pietersma, D., Lacroix, R., Lefebvre, D., Cue, R., Wade, K. M.Volume:
86
Journal:
Canadian Journal of Animal Science
DOI:
10.4141/a05-080
Date:
September, 2006
File:
PDF, 578 KB
2006