Iranian Journal of Applied Animal Science
http://www.ijas.ir
Abstract
This study has investigated the effects of different levels of red pepper powder and fat on the carcass
characteristics and small intestine mucosal morphology of broiler chickens (Ross 308). In this study 288 one-
day old male broiler chickens in a completely randomized experimental design were assigned into
six treatments groups and each treatment had four replication groups and 12 chicks were used in each group.
Experimental groups included three levels of 0, 1.5 and 3 percent of red pepper powder and 2 two levels 0
and 3 percent of fat. Testing period was 42 days. Treatment containing 0 percent Red Pepper powder and 3
percent fat resulted in highest breast and carcass weight(P<0.01). Treatment containing 1.5 percent Red
Pepper powder and 3 percent fat resulted in highest liver weight(P<0.05). Treatment containing 3 percent fat
caused increase heart weight (P<0.01). Treatment containing 1.5 percent Red Pepper powder and 3 percent fat
resulted in lowest abdominal fat weight (P<0.01). Treatment containing 0 percent Red Pepper powder and 0
percent fat resulted in highest bursa fabricius weight (P<0.01). Treatment contains 3 percent fat caused
increase villi height(P<0.01). Different levels of fat did not show significant difference (P>0.05) on the
weight of thighs, wings, gizzard plus proventriculus, liver, spleen, intestines, and cecum. Treatments
containing red pepper showed no significant effect on intestinal morphological parameters(P>0.05). In
conclusion, there is possibility of using combination of capsicum and oil in broilers diet to improve carcass
performance.
Keywords: Red Pepper Powder, Fat, Carcass Characteristics, Morphology, Broiler Chicks
Reviewer’s Name: Dra. Violeta Pardío Sedas
E-Mail: [email protected]
Address (Affiliation): Avenida Miguel Angel de Quevedo s/n esquina Yáñez, Colonia Unidad
Veracruzana, Veracruz, Veracruz CP. 91710
Country: México
Manuscript Number: IJAS-11-157
Title:
THE EFFECT OF DIFFERENT LEVELS OF RED PEPPER POWDER AND
FAT ON THE CARCASS CHARACTERISTICS AND SMALL INTESTINE
MUCOSAL MORPHOLOGY OF BROILER CHICKS
Date Sent To Reviewer: 30th November, 2011
Date Expected From Reviewer: 14th December, 2011
Reviewers Guide
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