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Articles by V.O. Asaolu
Total Records ( 5 ) for V.O. Asaolu
  G.O. Tona , V.O. Asaolu , O.A. Amao and A.A. Akingbade
  This study was carried out to investigate the chemical composition and the 24 h in vitro fermentation characteristics of various levels of Moringa oleifera leaf meal supplementation, sole or combined with other feed ingredients for ruminants. Moringa oleifera Leaf meal (MOL), dried cassava peels, palm kernel cake, bone meal and salt were milled and stored separately and then mixed together at different levels. The levels of inclusions were; D1 (0% MOL), D2 (5% MOL), D3 (10% MOL), D4 (15% MOL) and D5 (100% MOL = test ingredient). The potential gas production ranged from 26.00-37.00 mL/200 mg DM. Highest p<0.05 potential gas production were obtained with both treatments D1 and D3 while D5 recorded the lowest value. The ME was highest in D1 (8.05 MJ kg-1 DM) and lowest for both D2 (6.90 MJ kg-1 DM) and D5 (6.82 MJ kg-1 DM) which were similar. The percentage OMD was highest (p<0.05) in D1 (61.42%) and lowest in both D2 (46.22%) and D5 (46.81%) which did not differ (p>0.05). The values for SCFA were highest (p<0.05) for both D1 and D3 (0.82 μmol) and lowest for D5 (0.56 μmol). The diet (D1-0% MOL) without the inclusion of Moringa oleifera leaf meal had the highest values of in vitro gas production parameter measurements, including the ME, OMD and SCFA as compared to the other diets with Moringa oleifera leaf meal inclusions. The best level of Moringa oleifera leaf meal inclusion in the diets was 10% (D3-10% MOL) while the sole Moringa oleifera leaf meal diet (D5-100% MOL) recorded the lowest in vitro gas production parameter values. This study, thus demonstrated that Moringa oleifera leaf meal when fed in combination with conventional concentrate ingredients could enhance its utilization as feed for ruminants.
  V.O. Asaolu , J.A. Akinlade , O.A. Aderinola , A.T. Okewoye and J.A. Alalade
  The performance of grazing West African Dwarf (WAD) goats on Moringa Multi Nutrient Block (MMNB) supplementation was assessed relative to cassava peels (CPL) and corn starch residues (CSR), using a complete randomized design with four replicates per treatment. Performance indices were supplement intake and experimental animals’ weight and haematological changes. Statistical (p<0.05) differences were observed in supplement intakes, which were 11.08, 23.61 and 34.53 g-1 kg0.75 for MMNB, CPL and CSR respectively. MMNB however had higher nutrient contents. Weight changes were positive across treatments. Mean weight gain for animals on MMNB supplementation (38.10 g day-1) was however significantly (p<0.05) higher than those of the animals on the reference supplements, which showed no statistical (p>0.05) difference. Only MMNB supplementation resulted in a significant (p<0.05) increase in Packed Cell Volume (PCV) at the end of the study although all values fell within the range considered normal for clinically-healthy WAD goats. Each of the three supplements resulted in significant (p<0.05) increases in Haemoglobin (Hb) and Red Blood Cell (RBC) counts, although the magnitudes of the increases were most pronounced with MMNB. Animals on CSR maintained relatively comparable levels of WBC at both the commencement and end of the study. However, CPL supplementation resulted in higher (p<0.05) WBC values at the end of the study whereas MMNB supplementation resulted in corresponding lower (p<0.05) values. Hence, adoption of the MMNB feeding technology by small ruminant keepers could be a panacea to the nutritional and health hardships faced by the animals during the usually long dry season.
  S.M. Odeyinka , D.O. Torimiro , J.O. Oyedele and V.O. Asaolu
  This study investigated the crop farmers’ (who are also rearing sheep and goat) perception of Moringa oleifera in Osun, Ekiti and Oyo states of southwestern Nigeria. Specifically, it identified the farmers’ socio-economic attributes; their awareness, knowledge and willingness to plant Moringa oleifera and also established the relationship between their perception of the plant and some of their selected socio-economic characteristics. Pre-tested and validated structured interview schedule was designed and used to elicit information from one hundred and thirty-nine farmers that were identified across the region using snow-ball technique, aside the presentation of the plant (Moringa oleifera) to individual farmers for identification. Also, unstructured key informants’ interviews were conducted to probe into some of the issues that were not satisfactorily buttressed during the administration of structured interview. Simple descriptive statistical techniques such as frequency counts, percentages, mean and bar chart were used to summarize the data collected, while the Pearson correlation and Chi square analyses were, respectively, used to establish the relationship and association between the respondents’ perception of Moringa oleifera and some of their selected socio-economic characteristics. Majority of the farmers in this region were male (59.71%), Christians (81.29%) and educated (Over 60.00%) with 51 years mean age and N177, 639:00 mean income per annum. The study further revealed that many (61.87%) of the farmers was ignorance of the plant, that is, they could neither identify the plant physically nor by name. However, most (92.80%) of them indicated their willingness to cultivate the plant if introduced to them. Farmers’ gender and years of knowledge of Moringa oleifera were found to significantly influence their level of perception of the plant. Popularization of the plant was, therefore, suggested using on-farm adaptive research.
  V.O. Asaolu , R.T. Binuomote , J.A. Akinlade , O.S. Oyelami and K.O. Kolapo
  Unlike Leucaena (LEU) and Gliricidia (GLI) fodders and in spite of its globally acclaimed nutritive values, Moringa (MO) fodder is yet to receive adequate research attention in Nigeria as a protein supplement for ruminants. The nutritional synergies between equal but separate combinations of MO with LEU and GLI fodders, respectively, relative to a sole MO fodder were evaluated with West African Dwarf (WAD) goats. Three male WAD goats, weighing 10±1 kg, were used in a feed intake and nutrient digestibility study consisting of three experimental periods of 24 days each. Three experimental diets; 50 MO:50 LEU, 50 MO:50 GLI and 100 MO were investigated using a 3*3 Latin Square within a complete randomized design. Performance indices were Dry Matter Intake (DMI), nutrient digestibility, nitrogen utilization and Relative Feed Value (RFVs). DMI and nutrient digestibility values were high with no (p>0.05) diet effects. Nitrogen in the three diets was well utilized. It was however better (p<0.05) utilized in 100 MO with minimal losses in faeces (5.47%) and urine (14.15%), leading to better nitrogen balance and retention. RFVs were generally high but significantly (p<0.05) highest for 100 MO. Based on the RFVs, 50 MO:50 LEU and 50 MO:50 GLI fodder combinations appeared promising as protein supplements for WAD goats, with a better prospect of utilization of 50 MO:50 GLI based on nitrogen utilization. The fodder combination will also allow for an optimal utilization of the available moringa fodder as its availability is still limited in Nigeria.
  V.O. Asaolu , S.M. Odeyinka , O.O. Akinbamijo and J.A. Akinlade
  The anthelmintic attributes of moringa and bamboo leaves were evaluated using 18 gastrointestinal nematode-infested West African Dwarf goats (nine males and nine females; mean weight = 9.5±0.5 kg) in a 12 week feeding trial with groundnut hay as the reference diet in a complete randomized design. Total and condensed tannins of moringa and bamboo leaves were quantified. Feed intake, weight changes, feed conversion ratios, faecal egg counts and packed cell volumes of the goats were monitored. The animals were thereafter slaughtered for gastrointestinal worm counts and carcass characterization. No condensed tannins were detected in bamboo leaves while they constituted 0.1% of moringa leaves. There were no (p>0.05) dietary effects on dry matter intake. Moringa-substitution of groundnut hay produced a significant (p<0.05) reduction in feed conversion ratio (18.0 vs. 27.4 g feed g–1 live-weight gain) while bamboo-substitution led to a significant (p<0.05) increase (45.7 vs. 27.4 g feed g–1 live-weight gain). The final mean faecal egg counts were between 334-384 eggs g–1 of faeces/animal, representing a drop of at least 65% but were not (p>0.05) affected by dietary treatments. The mean worm burden pattern after slaughter indicated mixed infestations with no significant (p>0.05) diet effects. Moringa substitution of groundnut hay produced significant (p<0.05) increases in warm carcass weight and dressing percentage (5.2 vs. 4.4 kg; 47.3 vs. 40.5%). Bamboo and moringa leaves contained no condensed tannins of anthelmintic significance. However, complementing groundnut hay, the feed resource of choice in The Gambia with moringa foliage (50:50 ratio), appears promising in improving resilience of West African Dwarf goats to the negative effects of gastrointestinal nematode infections and maintaining productivity under the parasitic challenge.
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