Abstract :
[en] The study aims to compare the testicular and body morphometric traits of Djallonke and Ouda sheep breeds reared on natural pasture in Benin. Data on testicles and body morphometric parameters were collected on 70 mature rams at 12 months of age, including 45 Djallonke rams and 25 Ouda rams, from January 2015 to September 2016. These data were analyzed with SAS software (2006). It comes out from this study that Ouda rams were significantly heavier (P<0.001) than Djallonke rams at 12 months old. In the same way, the head length (19.29cm) and whither’s height (57.39 cm) of Ouda Sheep were higher (P<0.01) than those of Djallonke sheep (17.92cm and 53.9 cm). Nevertheless, the scapulo-ischium length and chest circumference were similar (P>0.05) for both sheep breeds. However, the Djallonke sheep had presented the lower values of shoulder width and pelvis length (19.22 cm vs 22.61cm). The scrotal length was significantly affected (P<0.01) by the sheep breed with the weakest value (13.73 cm) recorded within Djallonke sheep breed comparatively to Ouda rams (15.01 cm). In the same way, the scrotal circumference, paired testes weight, mean testes length, testes diameter and mean testes volume varied significantly (P<0.001) according to the sheep breed with the highest values observed in Ouda sheep.
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