Open AccessEstimate of maintenance energy requirements of Salers beef cows during mid-pregnancy
Author(s) -
M. Petit,
P. Kabré,
J. Agabriel
Publication year - 1993
Language(s) - English
DOI - 10.1051/rnd:19930276
Subject(s) - beef cattle , zoology , energy requirement , pregnancy , environmental science , mathematics , biology , statistics , regression , genetics