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Effects of Dietary Feldspar on Growth Performance and Body Composition in Broiler Chicks  

Ko J.W. (Department of Animal Resource & Science, Sunchon National University)
Uuganbayar D. (Department of Animal Resource & Science, Sunchon National University)
Yang C.J. (Department of Animal Resource & Science, Sunchon National University)
Publication Information
Korean Journal of Poultry Science / v.33, no.2, 2006 , pp. 105-111 More about this Journal
Abstract
This experiment was conducted to evaluate the effects of feldspar on growth performance and body composition in broiler chicks. A total of 120 one-day old 'Ross' broilers were assigned to 5 treatments in a completely randomized design. The five dietary treatments were control, antibiotic(0.05% chlortetracycline), feldspar 0.5, 1.0, 1.5% diets. The weight gain of broilers fed a diet containing 1.5% feldspar (2,088 g) was significantly (P<0.05) higher than control (1,888 g). The feed intake was significantly increased in feldspar treatments compared to that of the control (P<0.05). However, feed conversion ratio was significantly increased in 1.0% feldspar treatment compared to that of the control (P<0.05). The moisture and protein contents of meat were significantly increased in 1.0% feldspar treatment (75.69 and 15.22%) compared to that of the control (73.38 and 9.80%). However, the crude fat content of meat was reduced in feldspar treatments compared to control and antibiotics treatments (P<0.05). The TBA value of meat in feldspar treatments was significantly reduced compared to that of the control (P<0.05). The plasma cholesterol content was 129 mg/dL in 0.5% feldspar and 134 mg/dL in 1.0% feldspar treatments, which were significantly higher (P<0.05) than that of the control (103 mg/dL).
Keywords
broilers; feldspar; antibiotics; weight gain; TBA value; cholesterol;
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