Traits that determine the efficiency of the pig as a transformer of energy
Ritzman, E.G., Colovos, N.F.
Traits that determine the efficiency of the pig as a transformer of energy - Durham 1941 - 1-29 p. - New Hempshire Agriculture Exp .
Traits that determine the efficiency of the pig as a transformer of energy - Durham 1941 - 1-29 p. - New Hempshire Agriculture Exp .