FACULTY OF AGRICULTURE

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    Growth performance and blood profile of gestating wad ewes fed dietary supplementation of ammonium sulphate
    (The Nigerian Society for Animal Production, 2016) Ososanya, T. O.; Inyang, U. A.; Shehu, S. A.
    The concern raised as a result of antibiotic usage in the livestock industry has necessitated the need for alternative feed additives such as ammonium sulphate. Hence, sixteen West African Dwarf (WAD) ewes averaging 24 kg in weight and aged eighteen months were used to determine the growth performance and blood chemistry of ammonium sulphate supplemented diets. The animals were divided into four groups of experimented diets consisting: D1 (0 %) (Control diet), D2 (0.25 %), D3 (0.50 %) and D4 (0.75 %) of ammonium sulphate (AMS) inclusion levels and were randomly allotted in a completely randomized design. They were also synchronized with prostaglandin F(2α) and naturally mated with four (4) rams of proven fertility when they came on heat. Parameters determined were feed intake, dry matter intake (DMT), gestating weights and gains, and blood haematology and serum biochemistry such as white blood cells (WBC), red blood cell (RBC), packed cell volume (PCV), haemoglobin (HGB), albumin (A), globulin (G), total protein (TP), cholesterol (CHOP), blood urea nitrogen, creatinine (C), alanine aminotransferase (ALT), aspartate aminotransferase (AST) and alkaline phosphatase (ALP). The results showed that supplementing AMS in ewe diets generally enhanced (p < 0.05) final weight (Kg), gestational weight gain (Kg) and average daily weight gain (g). The values ranged from 32.00-45.25 Kg; 8.25 - 22.25 Kg; 207.79 - 267.86 g/d respectively. The feed conversion ratio improved with increasing levels of AMS with animats on D4 recording the least (0.20). Animals on Dl recorded the highest values for PCV, HGB, and RBC while those on D3 had the least. The values were 44.25 and 41.00 %; 14.68 and 13.40 g/dl; and 13.02 and 11.86 x 10(6)/mm(3) respectively. Animals on D4 recorded the highest values for WBC (5150.50 x 10(6)/mm(3) ). Serum biochemical responses of pregnant sheep indicated significant differences (p < 0.05) of AMS supplementation on TP, A/G ratio, ALP and creatinine values. Animals on Dl recorded the highest values for TP, A/G ratio; ALT, BUN and C white those on D2 were least except jar ALT where D3 was least in ALT. The values were 8.68 and 8.15 g/dl; 0.80 and 0.65; 289 and 235.50 I.U./L; 10.75 and 9.75 mg/dl; 1.48 and 1.08 mg/dl respectively. Animals on D2 recorded the highest values for G, ALP and CHOL (4.80 mg/dl; 25.25 1. U/L; and 63.00 mg/dl respectively). Inclusion of AMS improved conversion ratio thereby improving the performance of ewes and thus proved that it could be tolerated up to 0.75 % supplementation in diets for ewes.
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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.