Breeding better cows

相似書籍

• Breeding better livestock
  由: Andrews, Frederick Newcomb
  出版: (1953)
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• Influence of dextrose on fertility of repeat breeding cows
  由: P K Naveen
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• Influence of dextrose on fertility of repeat breeding cows
  由: E Dr.Mathai, et al.
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• Great cow race
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  出版: (2005)