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The comparison of Friesians from different origin : I. Comparison of the production of Dutch Friesians randomly sampled within two breeding districts and herd levels
Prof. Dr. R.D. PolitiekVolume:
91
Year:
1974
Language:
english
Pages:
10
DOI:
10.1111/j.1439-0388.1974.tb01125.x
File:
PDF, 534 KB
english, 1974