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Articles by A.O. Akinsoyinu
Total Records ( 2 ) for A.O. Akinsoyinu
  T.O.Bawala , O.A. Isah and A.O. Akinsoyinu
  A study was conducted to examine the efficacy of dietary mineral supplementation (CaPO4 and MgSO4. 7H2O) on the milk mineral (Ca, P, Mg and K) content of the West African dwarf, WAD, goats. Eighteen monoparous lactating WAD does were utilized for feeding trial in a 12-week lactation period in which the does were randomly assigned to one of the three dietary treatment groups (A, B, C) of six animals in a completely randomized design. The three isonitrogenous (15% CP) and isocaloric (2.34 Mcal ME) supplementary diets fed to a based diet of Panicum maximum grass contained graded levels (%) 0, 1 and 2 of Ca/P and Mg supplementations in diets A, B and C respectively. Results showed that treatment effects on dry matter intake, DMT (kg day-1), body weight (Bw) gain (g day -1) circulating levels (mg dL-1) of Ca, P, Mg and K in serum and milk of WAD does were significant (p<0.05). Similar effect on milk yield was highly significant (p<0.01). The mean values (mg dL-1) of circulating levels of CA, P, Mg and K in serum of WAD does on diets A, B and C were: Ca 9.75, 10.00 and 10.13, P 7.15, 7.57 and 7.79; Mg 3.20, 3.52 and 4.54 and K (mmolL-1) 3.53, 3.83 and 3.77, respectively; while corresponding values (mgdl-1) in milk were Ca 121.0, 127.0 and 132.0; P 84.5, 89.78 and 94.08; Mg 18.90, 41.82 and 47.61; and K 158.43, 165.03 and 160.58. The general trend was that increasing dietary mineral supplementation effected a concomitant increase in milk mineral (Ca, P, Mg and K) outputs. Significant positive correlations (r = 0.99, 0.97, 0.73 and 0.85) existed between serum and milk Ca, P, Mg and K contents respectively suggesting that blood is a secondary source of milk mineral secretion in lactating animals.
  T.O.Bawala , A.O. Akinsoyinu , M.A. Arigbede and O.J. Babayemi
  The effect of varying dietary crude protein levels on the reproductive performance of pregnant goats of West African dwarf, WAD, breed was investigated. Fifteen does with average weight of 22 kg were utilized for the 22 wk study in a completely randomized design. The diets were formulated to be isocaloric (2.60 Mcal ME ) and contained 10, 13 and 16% CP representing diet A, B and C respectively with 5 replications having one doe per replicate, hence giving 5 does randomly allotted per treatment. The treatment effects were evaluated in terms of does bodyweight changes, blood parameters gestation length, litter size and weight. The results revealed that does fed 10%CP (A) had the smallest litter size, with no difference (p>0.05) in litter weight among the three dietary groups. Treatment affects on dry matter intake DMI and bodyweight BW changes were significant. (p<0.05). Animals on 10% CP diet had lowest values for DMI and BW changes than their counterparts on diets B and C respectively. Similarly, the haemoglobin Hb concentration, packed cell volume and plasma urea nitrogen PUN was lower (p<0.05) in does fed diet A (10% CP)than their counterparts on diet B(13% CP) and C(16%CP).The experiment therefore indicates that a 10% dietary protein level may not be sufficient to meet the protein need of pregnant WAD goats.
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