The influence of microbial phytase supplementation to diets with high or low native phytase activity on sow reproductive traits and composition of colostrum and milk

• Autorzy: Grela E. R. , Matras J. , Czech A. , Krasucki W.
• Języki publikacji: EN

Abstrakty

EN

The influence of intrinsic phytase and a microbial phytase additive on reproductive traits of sows, the composition of colostrum and milk, and on piglet rearing indices was studied. The two trials differed in the kind of grains used in the diets to give them lower (420-440 PU.kg-1, Trial 1) or higher (1000-1150 PU.kg-1, Trial 2) levels of intrinsic phytase. There were 3 feeding groups (34-35 animals in Trial 1 and 25 in Trial 2) in each experiment. In both trials, group 1 received the basic diet enriched with dicalcium phosphate, group 2, the basic diet without this additive (NC), and group 3, the basic diet supplemented with 500 PU.kg-1 microbial phytase. A higher number of liveborn piglets in group 3 in comparison with group 2 in Trial 2 was noted. Also, the body weight of piglets was significantly higher in groups 1 and 3 in comparison with the NC group. The microbial phytase supplement increased the concentration of Zn and Cu in colostrum and of Zn in sow milk, regardless of native phytase activity.

Słowa kluczowe

EN

microbial phytase; feed supplementation; animal diet; diet; high phytase activity; low phytase activity; sow; reproductive trait; milk composition; colostrum; milk; piglet; feed additive

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2010
• Tom: 19
• Numer: 3
• Opis fizyczny: p.418-429,ref.

Twórcy

autor

Grela E. R.

• Institute of Animal Nutrition, University of Life Sciences in Lublin, Akademicka 13, 20-934 Lublin, Poland

autor

Matras J.

autor

Czech A.

autor

Krasucki W.

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