EFFECT OF USING PACKED FAT, RAPESEED AND SUNFLOWER OIL IN BROILER DIET ON ORGANIC CHEMICAL COMPOSITION OF MUSCLES AND LIVER

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August – September 2012, vol. 2, no. 1
pages: 25-41
Article type: Food Sciences of Food Sciences
Abstract: The objective of the present study was to research the effect of diffrent type and level of fat on organic chemical composition of meat quality. For both sexes of broiler (Ross-308), in breast and thigh meat also liver were investigated. One-day 800 chickens were divided to four testing groups C 5% packed fat, T1 2.5 % packed fat +2.5% sunflower oil, T2 2.5% packed fat +2.5% rapeseed oil, and T3 2.5% packed fat +1.25 rapeseed +1.25% sunflower oil. Each group has 4 replication’s. The length fattening was 42 days. Higher proportion of dry matter (DM) found in thigh female in T2 ( (27.37%) and for male was (26.34%) in T1. Higher protein content in the breast for female was in T1 (21.09%) and for male was in T2 (20.61). liver protein value for female was highest in group C (16.51%) while for male was in T2 (16.91%) . Lower fat content in the breast was in group T1 for female (1.06%) and for male was in T2 (1.22%). In thigh muscle lowest fat value for female and male were in group C (4.54%, 4.23%) respectively. High value for total Ash in the liver was in group T1 for female, and in group T2 (1.12%) for male. Cholesterol proportion was found in the C group compared to other groups for all parameters of breast, thigh and liver with both sexes.
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