Growth performance and carcass characteristics of broiler finisher chickens fed Utazi (Gongronema latifolium) leaf meal based – diets
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Abstract
A 28 - day feeding trial was conducted to determine the effect of dietary supplementation ofutazi leaf meal (ULM) on growth performance and carcass characteristics of finisher broiler chickens. A total of 120, four weeks old chickens of Abor acre strain and of mean initial weight (440±2.55 g/bird) were allotted in a completely randomized design (CRD) to four dietary treatments with 3 replicates per treatment and each replicate had 10 birds. The experiment lasted for 28 days. Utazi leaf meal was supplemented as a feed additive at 0, 5, 10 and 15 g/kg levels to finisher diets T1, T2, T3 and T4 respectively. Feed intake was taken daily while body weight measurement was taken weekly. At the end of the feeding trial four birds per replicate were sacrifice for carcass examination. The result showed that feed intake (90.03-99.07g/bird) decreased significantly (p<0.05) as the level of supplementation of ULM increased across dietary treatments. Feed conversion ratio also improved significantly (p<0.05) as the level of utazi leaf meal increased in the diets. The final live weight (1340-1373 g/bird) and daily weight gain (30.17-32.70 g/bird/day) as well as carcass parameters (both the prime cuts and internal organs showed no significant (p>0.05) differences across dietary treatments, except the liver weight which significantly (p>0.05) increased as the level of ULM increased in the diets. The study concluded that finisher broiler chickens can tolerate ULM meal up to 15 g/kg diet without any deleterious effect on growth performance and carcass characteristics but with improved feed utilization.
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