DEPARTMENT OF ANIMAL SCIENCE

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End date: 2009Subject: search.filters.subject.Haematology

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    Haematology of pregnant West African dwarf ewes fed siam weed-based rations
    (Animal Science Association of Nigeria, 2004) Anurudu, N. F.; Babayemi, O. J.; Ososanya, T.
    There is relatively scanty information on normal blood values for sheep in Nigeria as regards the nature and the level of forage inclusion in the diets. The study was set up to assess the effects of siam weed on blood chemistry of pregnant West African Dwarf (WAD) sheep. Sixteen WAD sheep that have lambed once were allocated in a completely randomized design to four diets with different levels of siam weed leaf meal (SWLM) diets inclusion: 0% (Diet A), 15% (Diet B), 30% (Diet C) and 45% (Diet D). Variations in haematological parameters due to treatments were inconsistently significant except for Erythrocyte/ red blood cell (RBC). The Leukocyte/white blood cell (mm3 xlO3) varied from 5.64 (diet B) to 8.81 (diet A) in the last trimester. The lowest packed cell volume (28%) was obtained for sheep on 30% siam weed leaf meal (SWLM). Erythrocyte values were low ranging between 5.71 and 6.37. White blood cell was normal and ranged from 5.64 in 15% to 8.81 in 0% SWLM. The values for packed cell volume slightly increased in animals on diets 0% and 45% SWLM at the end of pregnancy while those of 15% and 30% remained normal. Mean corpuscular volume (ranged 47.50 - 53.25) was beyond the normal range at late pregnancy. The results showed that pregnant sheep could tolerate the siam weed leaf meal at levels between 15 and 45% dietary inclusion without a significant alteration of the blood constituents.
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    Effects of dietary acidifier-based diet on haematology and serum biochemical indices of broilers
    (2009-07) Ogunwole, O. A.; Abu, O. A.; Sokunbi, O. A.; Asiruwa, P. O.
    A trial was conducted to determine the effect of dietary Biotronics SE® supplementation on haematological and serum parameters of broilers. A total of 120 1-day old Marshall broilers were randomly distributed to four dietary treatments using completely randomized design. Chicks in treatment 1 were fed basal diet (control) while those on treatments 2, 3 and 4 were given basal deits supplemented with 0.1% oxytetracycline HCl only; 0.3% Biotronics SE® only and 0.1% oxytetracycline HCl + 0.3% Biotronics SE®, respectively. Each treatment was a duplicate of fifteen chicks per replicate. The diets were formulated to contain 3000 Kcal/kg ME and crude protein of 23% (Starter) and 20% (finishers). Variations in values obtained for haemoglobin (g/dl) (9.28, 9.69. 10.04 and 10.15) and Mean Cell Volume (MCV) (fl) (107.02, 109.38, 125.43 and 118.31) for birds fed diets 1, 2, 3 and 4., respectively were significantly (p<0.05) different while other haematological parameters measured in both phases were similar (p>0.05). The serum triglycerides (mg/dl)(23.19. 19.29, 23.93 and 19.01) and VLDL (mg/dl) (4.63, 3.85, 5.78 and 3.80) for the Starter birds fed diets 1, 2, 3 and 4, respectively were affected by dietary acidifier inclusion. The serum total proteins and Cholesterol also varied significantly for finishers birds. Generally, most serum indices measured declined in values at the finishers phase compared with corresponding values for Starter. All measured indices were within normal physiological ranges. This study revealed Biotronics SE as a suitable alternative growth promoter for the production of meat type chickens.
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    Productive response of rabbits to supplemental copper in a diet based on tropical feedstuffs
    (Taylor & Francis, 1998) Onifade, A. A.; Abu, O. A.
    Effects of supplemental copper in a diet based on tropical feedstuffs on productive performance, carcass measurements and haematology of rabbits were investigated in a 70d trial. Copper as CuS04.5H2O was supplemented at 0, 125, 250 and 375 mg kg-1 into a basal diet. The basal diet served as control treatment. Eight rabbits, each constituting a replicate, were fed on one of the experimental diets. The results showed that daily weight gain and feed intake of the rabbits fed 250 and 375 mg kg-1 supplemental copper were the highest followed by rabbits fed 125 mg kg-1 and the basal diet. Relative weights of the selected organs were similar except for the brain that tended to be lower in rabbits fed 250 and 375 mg kg-1 copper. Haemoglobin, packed cell volume and red blood counts were lower on 375 mg kg-1, however, haematological indices in rabbits fed 125 and 250 mg kg-1 were superior to other treatments. The results indicated that supplemental copper in a diet based on tropical feedstuffs improved performance, supported adequate organ development and might adversely affect haematopoiesis in rabbits at 375 mg kg-1 rate of inclusion.