EVALUATION OF TWO ANIMAL PROTEIN SOURCES IN SINGLE PHASE FEEDING OF BROILER CHICKENS

  • U. OKAH Department of Animal Production and Livestock Management, College of Animal Production and Science and Animal Production, Michael Okpara University of Agriculture, Umudike, P.M.B. 7267 Umuahia, Abia State, Nigeria
  • G. C. OKEKE Department of Animal Production and Livestock Management, College of Animal Production and Science and Animal Production, Michael Okpara University of Agriculture, Umudike, P.M.B. 7267 Umuahia, Abia State, Nigeria
  • A. I. UKANWOKO Department of Animal Science, University of Port Harcourt, P. M. B. 5323 Choba, Port Harcourt, Rivers State, Nigeria.
  • T. B. ADEWOLE Department of Animal Production and Livestock Management, College of Animal Production and Science and Animal Production, Michael Okpara University of Agriculture, Umudike, P.M.B. 7267 Umuahia, Abia State, Nigeria
Keywords: Blood meal, broiler chicken, feeding, feed intake, fish meal, single phase, weight gain

Abstract

A study was carried out to compare the use of blood meal and fish meal as protein sources in single phase feeding of broiler chickens.  Three isonitrogenious and isocaloric diets containing between 20.5 to 21.1 % CP and 3440 to 3454 kcal/kg ME were formulated. The control diet contained none of the animal protein sources while the other two diets contained blood meal and fish meal at 6%, respectively. After six weeks of straight feeding, data were collected on feed intake, weight gain and feed conversion ratio was calculated. Carcass characteristics and cost benefit were also calculated. The results indicated that birds fed fish meal based diet  consumed more feed (p< 0.05) than those on control diet,  while intake of those on blood meal based diet  was an interphase between the control and fish meal based diet groups. The birds fed fish meal based diet also recorded higher (p< 0.05) daily weight gain than those on control and blood meal based diets. Feed conversion ratio was better in the group fed fish meal based diet than those fed the control diet, but similar (p> 0.05) to the group fed the blood meal based diet. The dressing percentage of the birds was similar (p>0.05) in the control and blood meal based diet groups, but they were higher (p<0.05) than the fish meal based diet group. The neck, back, drumstick and head were significantly (p<0.05) higher in the control group than in the groups containing animal protein. Cost benefit analysis showed that feed cost and cost per kg weight gain were higher (p< 0.05) in fish meal based diet group than in control and blood meal based diet groups. Revenue per bird and gross margin were higher (p< 0.05) in the blood meal based diet group than in the control diet and fish meal based diet groups. In conclusion, fast growing broiler chickens for eatery houses can be better reared with a single diet of 21 % CP and 3440 kcal/kg ME using blood meal as a protein source.

 

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Published
2019-11-07
Section
Original Manuscript