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Comparison of calcium and phosphorus retention of commercial male and female broilers in different seasons

RANJEET KAUR 1 AND J.S. CHAWLA 2
Deptt. of Animal Breeding & Genetics 1 / Animal Nutrition 2
Punjab Agricultural University, Ludhiana - 141 004

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Calcium and phosphorus requirements of broiler chicks were evaluated in summer and winter months when dietary treatments were introduced at 1 or 3 weeks of age. Five combinations of calcium and phosphorus viz. 0.80, 0.40; 0.90, 0.45; 1.00, 0.50; 1.10, 0.55 and 1.20, 0.60 percent maintaining calcium to phosphorus ratio of 2:1 were tried on a total of 300 chicks. In both the seasons, the percent calcium retention increased while the percent phosphorus retention decreased significantly (p≤0.01) as the dietary level of calcium and phosphorus was increased. The results also indicated that the percent calcium and phosphorus retention in male chicks reared separately was significantly (p≤0.01) more than in female chicks reared separately or the chicks reared as straight run.

 

Source : IPSACON-2005
 
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