Bull Selection across Age Classes and Variable Female Reproductive Rates in an Open Nucleus Breeding Scheme for Dairy Cattle

Author: Korpiaho P.   Strandén I.   Mäntysaari E. A.  

Publisher: Taylor & Francis Ltd

ISSN: 0906-4702

Source: Acta Agriculturae Scandinavica, A, Vol.53, Iss.2, 2003-01, pp. : 74-82

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