DOI:
10.1055/s-00034912
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere
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References
Fetrow J, McClary D, Harman R, Butcher K, Weaver L, Studer E, Ehrlich J, Etherington W, Guterbock W, Klingborg D, Reneau J, Williamson N.
Calculating selected reproductive indexes – recommendations of the American-Association-of-Bovine-Practicioners.
J Dairy Sci 1990;
73: 78-90.
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