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The Effect of Microbial Phytase on Broiler Chicken Production and Nutritional Quality of Meat

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Author(s): Martin Kliment | Mária Angelovičová | Szabolcz Nagy

Journal: Lucrari Stiintifice : Zootehnie si Biotehnologii
ISSN 1841-9364

Volume: 45;
Issue: 1;
Start page: 46;
Date: 2012;
Original page

Keywords: broiler chicken | crude protein | meat | phytase | quality

ABSTRACT
We carried out an experiment using chickens producig meat Cobb 500 form 1 to 42 days of age and microbial 6-phytase. The aim of study was to determinate the impact of microbial 6-phytase on the quality of broiler chickens production. In our experiment were used standard soybean-cereal feed mixtures. The content of the nutrients and metabolizable energy was balanced in control group in terms of the broiler chickens physiological needs. In experimental feed mixtures was reduced phosphorus content through the feed addition of dicalcium phosphate about 37.7% in starter, about 35% in grower and about 35.14% in finisher of the sdandardized physiological needs for broiler chickens. A body weight of chickens aged 42 days was 2302.0 g compared with 2197.0 g of the broiler chickens of the control group with not statistically significant difference (P>0.05). Feed conversion was 1.69 versus 1.71 of the control group. Crude protein content of breast muscle was 23.52 g per 100 g compared with 23.36 g per 100 g of the control group with not statistically significant difference (P>0.05). Crude protein content in the thigh muscle was 18.33 g per 100 g compared with 18.20 g per 100 g of the control group with not statistically significant difference (P>0.05).
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