DOI:
10.1055/s-00034912
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere
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References
Roche JR, Lee JM, Berry DP.
Pre-conception energy balance and secondary sex ratio – Partial support for the Trivers-Willard Hypothesis in dairy cows.
J Dairy Sci 2006;
89: 2119-2125.
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