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Journal of Animal Health and Production

Research Article
J. Anim. Health Prod. 5(2): 58-63
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Abubakar Mshelia Saidu, Jummai Ilebaye Abbah, Usman Mohammed Kolo, Dauda Laku, Musa Kalim Adam

1Department of Veterinary Surgery and Radiology, University of Maiduguri, Borno State, Nigeria; 2Department of Animal Science, University of Maiduguri, Maiduguri, Borno State, Nigeria.

Abstract | Oral probe method of rumen liquor collection affects volatile fatty acid (VFA) concentration, pH and total acidity of the liquor while a caudo-ventral ruminal sac approach with 14-18 gauge needles have been associated with leakage at ventral puncture sites and blockage of needles with the ruminal contents during collection. Aspirating long needle rumenocentesis was employed to obtain rumen liquor for rumen liquor pH evaluation and protozoa motility test as well as expounded the influence of long needle rumenocentesis on haematology and some physiological parameters of Yankasa Sheep in Maiduguri, a semi- arid region of Nigeria. The significant increase in packed cell volume (PCV) (p<0.05) at days 1 and 2, 32.7±1.24%, and 32.7±1.04% respectively, compared to the baseline value (28.9±0.38%). However, these values were within normal species reference range (27-45%). The significant difference (p<0.05) in white blood cell (WBC) at days 1 and 4 (11.20±0.43x103μl and 10.9±0.37x103μl) respectively post rumenocentesis was recorded and compared to the baseline (9.61±0.59x103μl). The significant difference (p<0.05) in eosinophil count was observed from day 1-7 compared to the baseline value. Significant difference not recorded in physiologic parameters (p>0.05) including heart rate, respiration rate and rectal temperature indicates absence of systemic problems. Therefore, aspirating long needle rumenocentesis is a safe and reliable tool for rumen fluid collection in Yankasa breed of Sheep.

Keywords | Rumenocentesis, Ovine, Yankasa Sheep, Aspirating long needle, Haematology