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Efficiency of dietary calcium use for skeletal growth and mineralization in young pigs fed diets with various phosphorus concentrations
Nutrient efficiencies are generally greater for animals fed diets with marginal deficiencies. In a preliminary study, however, Ca efficiency was lower in pigs fed diets with a marginal Ca deficiency (J Bone Miner Re 20:S193). ...
Effects of white yolk concentration on maturation, fertilization, and blastocyst development of bovine embryos produced in vitro
Most in vitro embryo production (IVP) systems use some form of bovine sera in media. The most commonly used sera in maturation of bovine oocytes is fetal calf serum. A potential problem arising from this practice is ...
Studies on the heat stability of egg yolk antibody (lgY)
Nutritionally and economically-important heat-labile proteins, including enzymes, hormones, and antibodies (Ab), lose a substantial amount of activity following industrial processing. Protection of these heat-sensitive ...