Greer, J.G.; Hines, R.H.; Davis, D.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1977)
Forty-two boars averaging 67 lbs. were used to study how various levels of calcium and phosphorus in their feed affected their development. Calcium-to phosphorus ratios of 1.2 to 1 were maintained in all treatment diets, ...