07
MAY
2014

Age-related changes in mineral retention and excretion in starter and finisher pigs diets with and without exogenous phytase

А. Ilchev, G. Gаnchev, S. Chobanova, D. Kanakov, P. Petkov, I. Nikiforov Five balance feeding trials were performed to evaluate age-related changes in nitrogen, phosphorus and calcium utilization in growing and fattening male castrated DanBred hybrid pigs. Two commercial phytase prepa
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07
MAY
2014

Effect of dietary exogenous phytase supplementation in growing and fattening pigs

Three balance feeding trials were performed with 3 groups male castrated pigs during the starter, grower and finisher periods. The animals were housed in specially designs individual cages that allowed for separate collection of urine and faeces. Each trial comprised 5 days preliminar
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07
MAY
2014

Effect from the addition of VemoZim F(phytase) on diets with decreased content of phosphorus on the microstructure of tibia in chickens broilers

The subject of the study was to investigate the effect of the addition of different doses of the new Bulgarian enzyme preparation – VemoZim F (activity 5000 FТU/g) to wheat-corn-soyabean meal diets, with 30% decreased content of available phosphorus on the microstructure of tibia in b
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06
MAY
2014

Comparison of the effects of Natuphos® 5 000 G and Optiphos® phytases utilization in broiler chicken feeding with maize-soybean diets

An experiment with 96 male broiler chickens (hybrid ROSS 308), distributed in 3 groups, 32 chickens each, was conducted. Each group consisted of 4 subgroups, 8 chickens each. Live weight, the retention of nitrogen, calcium and phosphorus in the chickens’ organisms were monitored
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