Profiling Thermoregulatory Parameters of Northwestern Nigerian Donkeys (Equus asinus (original) (raw)
2021, International Journal of Innovative Science and Research Technology ISSN No:-2456-2165
The main aim of the present study was to determine the range of thermoregulatory parameters of Northwestern Nigerian donkeys and also analyzed how these thermoregulatory parameters vary with gender and age under tropical condition. The study was conducted by taking thermoregulatory parameters of one hundred and twenty-five (125) donkeys across three selected Northwestern states of Nigeria. All measurements and sampling were performed twice in a day morning (6am to 8am) and evening (5pm to 7pm). Rectal temperature was measured from the rectum of donkeys using digital thermometer, pulse rate was taken from heat location using stethoscope and respiratory rate was assessed by closely observing number of nostril movements per minute. The Data obtained were analyzed using the GEN-STAT software (2014). From the analyzed results, there was significant difference (P < 0.05) in thermoregulatory parameter of respiratory rate between male and female donkeys with female donkeys having the higher value (26.70 breath/minute) compared to male with 25.77 breath/minute. There is also significant difference (P < 0.05) in thermoregulatory parameters of rectal temperature, respiratory rate and pulse rate among donkeys of various age groups. The younger donkeys had the highest values of 37.85 o C, 27.39 breath/minute and 56.95 beat/minute for thermoregulatory parameters of rectal temperature, respiratory rate and pulse rate respectively compared to 37.61 o C, 25.84 breath/minute and 48.36 beat/minute for adult donkey and 37.51 o C, 25.50 breath/minute and 48.86 beat/minute in old donkeys. From the result of this study; it can be concluded that thermoregulatory parameters of rectal temperature, pulse rate and respiratory rate varies according to age and gender. Further researches should be conducted across geopolitical zones of Nigeria using large number of donkeys.
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