Different prepartum feeding levels in dairy cows and the postpartum reproductive efficiency
Literatur
Schilling E, Smidt D, Farries FE, Gauchel FR (1980) Different prepartum feeding levels in dairy cows and the postpartum reproductive efficiency. In: Kuratorium für Technik und Bauwesen in der Landwirtschaft (ed) 9th International Congress on Animal Reproduction and Artificial Insemination, 3 Symposia (free communications). Madrid: Editorial Garsi, p 352
Evaluation of deep frozen cattle embryos
Literatur
Schilling E, Niemann H, Cheng SF (1980) Evaluation of deep frozen cattle embryos. In: Kuratorium für Technik und Bauwesen in der Landwirtschaft (ed) 9th International Congress on Animal Reproduction and Artificial Insemination, 3 Symposia (free communications). Madrid: Editorial Garsi, p 463
