Effects of Two Herbal Feed Additives with or without Grits on Growth Performance and Nutrient Digestibility of Broiler Chickens
Journal Title: Journal of Animal Science Advances - Year 2016, Vol 6, Issue 2
Abstract
An eight-week study was conducted to investigate the effects of two herbal feed additives with or without grits on growth performance and nutrient digestibility of broiler chickens. One hundred and forty-four day-old unsexed Cobb broiler chicks were randomly assigned to six treatments of twenty-four birds per treatment with three replicates of eight birds each. Six dietary treatments were formulated with the inclusion of Moringa oleifera leaf meal (MOLM), Garcinia kola seed meal (GKSM) and grits. The experimental rations contained diet without MOLM, GKSM and grits which served as treatment 1 (control), with MOLM at 1000ppm (treatment 2), with GKSM at 1000ppm (treatment 3), with grits at 1000ppm (treatment 4), with MOLM at 1000ppm + grits at 1000ppm (treatment 5) and with GKSM at 1000ppm + grits at 1000ppm (treatment 6). Data were collected on growth performance and nutrient digestibility and subjected to analysis of variance in a completely randomised design. The proximate composition revealed that MOLM had higher crude protein (21.96%), crude fat (4.87%), crude fibre (15.61%) and ash (9.32%) than those found in GKSM. The results of the growth performance also revealed that no significant (p>0.05) differences were observed across dietary treatments at both starter and finisher phases. The nutrient digestibility results obtained showed that dry matter and crude protein were not affected by the feed additives however, crude fibre and ether extract were significantly (p<0.05) affected. The birds on treatment 2 had the highest (p<0.05) crude fibre digestibility (63.73%) while those on treatment 4 had the highest ether extract digestibility (80.54%). Conclusively, all the feed additives had no influence on performance indices of broiler chickens, inclusion of MOLM at 1000ppm and grits at 1000ppm in broiler diet increased the utilization of ether extract and crude fibre digestibility respectively.
Authors and Affiliations
Y. A. Adejola , R. A. Sobayo , S. B. Muhammed , D. D. Akinbola , A. Olanrewaju
Keywords
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