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Articles by U.A. Inyang
Total Records ( 2 ) for U.A. Inyang
  O.J. Babayemi , U.A. Inyang , O.J. Ifut and L.J. Isaac
  Forages/feed conservation offers strategic and sustainable solutions to the off season feeds for ruminants. Against this background the nutritive value of ensiled cassava wastes and Albizia saman was studied. Secondary metabolites and chemical composition of ensiled Cassava Wastes (CSW) with Albizia saman Pods (ASP) were determined. In vitro gas production of CSW and ASP at 24 h incubation was assessed. The ensiled mixtures were: 100% CSW, 75% CSW+25% ASP, 50% CSW+50% ASP, 25% CSW + 75% ASP and 100% ASP. Saponin was detected in 50% ASP inclusion and 100% ASP silages while tannin was recorded for 100% ASP silage. Crude Protein (CP) content ranged from 4.81% in 100% CSW to 24.50% in 100% ASP silages. The CP values increased significantly (p<0.05) with increasing inclusion of ASP. Metabolizable Energy (ME), Organic Matter Digestibility (OMD) and Short Chain Fatty Acid (SCFA) obtained for all silage mixtures were significantly (p<0.05) different from each other. Potential gas production and potentially degradable fractions (a+b) differed significantly (p<0.05) amongst each other while rate of fermentation did not differ (p>0.05). Total gas production did not differ (p>0.05) at 3 h while for other hours (6-24 h) there were significant (p<0.05) differences with 100% CSW silage being significant over others while 100% ASP had the lowest in all the hours observed. Methane (mL-1 200 mg DM) production ranged from 7-27, the highest being from 100% CSW while the least was observed in 100% ASP. The findings of this study showed that an inclusion level of 50, 75 and even 100% ASP could support small ruminants during period of drought as against sole feeding of cassava wastes.
  O.J. Babayemi , O.J. Ifut , U.A. Inyang and L.J. Isaac
  An investigation was carried out to assess the quality characteristics, proximate composition and cell wall fractions of 6 months ensiled cassava wastes and Albizia saman pods. Cassava Wastes (CSW) and Albizia saman Pods (ASP) were mixed for preparation of silage as 100% CSW, 75% CSW+25% ASP, 50%CSW + 50% ASP, 25% CSW + 75% ASP and 100% ASP. The pH of silage ranged from 3.38-4.61. Silage structure was visible while texture ranged from wet and firm to dry and very firm. Colour ranged from dark brown in CSW to reddish brown in ASP. Odour of silage was generally alcoholic. Values for crude protein (3.50-24.50 g/100 g) increased with increasing level of ASP. There was no trend observed in the values for NDF, ADF, ADL, Cellulose and Hemicellulose. An inclusion level of 50 and 75% of ASP in the diet showed good quality silage and enhanced nutrient composition.
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