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Animal units of livestock fed annually 1909 to 1955
Jennings, R. D., (1956)
An analysis of the effects of feed ingredient price risk on the selection of minimum cost backgrounding feed rations
Coffey, Brian K., (2001)
Household animal raising behaviour in China's developed regions : the case of Zhejiang Province
Xian, Liu, (2001)
Element pour une politique de la santé animale dans un programme de développement à long du Sahal
Diallo, A. K., (1975)