Breeding better cows

類似資料

• Breeding better livestock
  著者:: Andrews, Frederick Newcomb
  出版事項: (1953)
• Influence Of Dextrose On Fertility Of Repeat Breeding Cows
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  出版事項: (1983)
• Influence of dextrose on fertility of repeat breeding cows
  著者:: P K Naveen
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• Influence of dextrose on fertility of repeat breeding cows
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• Great cow race
  著者:: Smith Jeff
  出版事項: (2005)