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Articles by S.A. Ameen
Total Records ( 5 ) for S.A. Ameen
  L.O. Ojedapo , S.R. Amao , S.A. Ameen , T.A. Adedeji , R.I. Ogundipe and A.O. Ige
  A total of 509 birds comprising 249 Nera Black (NB) and 260 Brown Shaver (BR) were used for this study. Data were collected on the birds from week one to twenty. Prediction of Body Weight (BW), Chest Girth (CG), Keel Length (KL), Body Length (BL) and Shank Length (SL) were highly significant (p<0.001). The coefficient of determination (R2) varied from 85 to 99% for CG and KL. In both genotypes, the relationship between BW and other body measurements were higher in CG and KL traits and best described by cubic model. Cubic function (R2 = 99%) predicted BW more accurately than quadratic and linear functions. The phenotypic correlation coefficients at day old in NB between BW and BL were positive, medium and highly significant (p<0.01), the phenotypic correlation coefficients for BW and BL in BR was low, negative and highly significant (p<0.01). Lower correlation values were obtained between BW and BL and significant (p<0.05) in NB strain at 4 weeks old. Also, negative highly significant was achieved between BW and SL. At 8 weeks old, low to medium correlation coefficients were observed between BW and SL, BW and KL, BW and CG in NB strain. Significant correlations were achieved between BW and SL, BW and CG traits in BR strain. At 12 weeks old, high, positive and significant (p<0.01) values were observed between BW and other traits in NB. The phenotypic correlation coefficients were of medium to high in NB between BW and KL, BW and BL at 16 weeks old. There were highly significant differences (p<0.01) between BW and other traits measured in BR strain. At 20 weeks old, the correlation values obtained were low to high in NB, lower values were also obtained for BR at the same age. As a result of these observations, it was considered possible to use the body weight in determining BL, SL, KL and CG.
  L.O. Ojedapo , O. Akinokun , T.A. Adedeji , T.B. Olayeni , S.A. Ameen , A.O. Ige and S.R. Amao
  Growth evaluation and short-term egg laying performance of 360 commercial layers of three different strains, Brown shaver (BRS), Nera black (NB) and Black shaver (BLS) were studied at day old, 4, 8, 12, 16 and 20 weeks. Parameters measured were bodyweight, body length, breast girth and keel length. Body weight and other body dimensions were significantly (P<0.05) influenced by strain of chickens. Nera black layers consistently had the highest body parameters at all ages. Generally, body parameters increased with increasing age of the birds. The correlation coefficients amongst the body parameters revealed positively high and significant (P<0.05) relationship. Traits considered for egg laying performance were egg number and egg weight. Strains significantly (P<0.05) affected mean egg number and egg weight at weeks 4, 7 and 8; and 12, 13 and 15 respectively. BRS laid more eggs per bird than other genotypes, followed by NB and BLS, the least. Egg weight was highest in BRS, NB and BLS in that order. Estimates of correlation coefficient showed that the traits being considered are mostly positive but with low correlation of egg number to egg weight for BRS and BLS. Phenotypic correlations of egg traits were found to be negative between egg number and egg weights in NB.
  G.O. Tona , V.O. Adetunji , S.A. Ameen and A.O. Ibikunle
  The concentrations of lead (Pb) and cadmium (Cd) heavy metals in cow milk, goat milk butterfat, soft cheese and yoghurt samples were evaluated. Forty samples (eight of each sample) were analyzed using the atomic absorption spectrophotometer. There were detectable residual concentrations of Pb and Cd in all the 40 samples. The range of 0.0025 to 0.0061 ppm of Pb concentrations in the samples was within the Maximum Residue Limit (MRL) of 0.0125 to 0.0175 ppm of Pb in milk and dairy products. There was a significantly (P<0.05) higher mean Pb concentration of 0.0061±0.0025 ppm in the soft cheese samples. The residual concentrations of Pb in the cow milk samples were not significantly (P>0.05) different from that of the goat milk samples. Residual concentrations of Cd were higher in soft cheese samples (0.0048±0.0007 ppm) and in goat milk samples (0.0045±0.0005 ppm Cd) and these two concentrations exceeded the MRL of 0.0035 ppm of Cd recommended by India regulations. The residual concentration of Cd in goat milk samples (0.0045±0.0005 ppm) was significantly (P<0.05) higher than in the cow milk samples (0.0021±0.0007 ppm). The results of this study showed that all the milk and milk products samples analyzed contained residues of Pb and Cd heavy metals. The observation of residual Cd concentrations above the MRLs in the soft cheese samples and in the goat milk samples is of public health concern and could cause health hazards to consumers.
  O.W. Akintunde , S.A. Ameen and L.W.B. Olaniyan
  Every barrel of crude oil holds remarkable potential to keep us warm to keep us on the going and to provide the building blocks for countless products we depend on everyday meanwhile, its environmental hazards have not been giving adequate attention as it affects man, especially in the line of reproduction as one of the characteristics of living thing. Thus, the present study investigates petrol and diesel possible effects on rats’ reproduction. About 25 healthy male wistar rats weighed between 93-230 g were randomly divided into 5 groups: A-E, each containing 5 rats. Groups A and B were orally dosed with 0.2 and 0.4 mL/rat of petrol, respectively likewise groups C and D were dosed with 0.2 and 0.4 mL/rat of diesel and the group E served as control and received distilled water. The dosing was done every day for 28 days. No significant (p>0.05) change in body weight of the rats. Likewise, the sperm counts of the treated rats showed no statistically significant results when compared both petrol and diesel treated rats with the control. Significantly, abnormal spermatozoa morphology and low percentage of motile spermatozoa was evident in both petrol and diesel treated rats (p<0.05). However, histopathology revealed in a dose related manner seminiferous tubules without lumen, distruption of histoarchitecture of seminiferous tubules with vascular congestion of the interstitium in petrol treated tissues while the diesel treated rats at same doses exhibits shrunk, conjoin and elongation of seminiferous tubules and lost of sertoli cell. These findings indicate antifertility properties of the two hydrocarbons.
  S.A. Ameen
  An experiment was conducted to determine the antitrypanosomal activities of natural honey on wistar rats infected with Trypanosoma congolense. Twenty four albino rats (males and females) of wistar strain weighing about 90-110 g were used the animals were housed in well ventilated cages and kept under controlled environmental conditions. Each rat was inoculated intraperitoneally with 1.0x105 mL-1 of the T. congolense. The rats were divided into 3 groups A-C with 8 rats per group. Group A that served as the control were infected and given distilled water, group B and C were infected and treated with diminazine aceturate and natural honey, respectively at 7th day post infection. The parasitaemia levels, mean body weight changes and haematological parameters were analysed using one way ANOVA. The parasitaemia levels, mean body weight and haematological parameters were significantly different (p<0.05) in the three groups. There was a total clearance in the parasitemia level of the group B treated with diminazene aceturate while in group C there was reduction but no total clearance. It was concluded that natural honey even as part of regular diet could be a useful, cheap and readily available agent in the management of African trypanosomosis in an endemic area.
 
 
 
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