By Horner GW   Ledgard AM   in New Zealand Veterinary Journal

ISSN:1176-0710|36|4|205-206

Taylor & Francis Ltd‎(1988)‎

Access to resources Favorite 16.408976

By Peterson A.J.   Ledgard A.M.   Berg D.K.   in Theriogenology

ISSN:0093-691X|47|1|402-402

Elsevier‎(1997)‎

Access to resources Favorite 2.3935692