Breeding methods for cattle, pigs, and poultry in the United States : including inter-state co-operation project no. 253.

European Productivity Agency

Date:: [1957]

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Breeding methods for cattle, pigs, and poultry in the United States : including inter-state co-operation project no. 253. Source: Wellcome Collection.

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Breeding methods for cattle, pigs, and poultry in the United States : including inter-state co-operation project no. 253.

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