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Aug 8, 2016Keywords:
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Effets de l’inclusion de feuilles de manioc (Manihot esculenta Crantz) dans la ration sur les performances de reproduction du cobaye (Cavia porcellus L.) local camerounais
Abstract
Soixante-douze cobayes âgés de 6 mois, pesant en moyenne 555,00 ± 58,25 g et répartis de manière aléatoire en 4 lots de 15 femelles et 3 mâles par lot ont été mis en croisement durant 31 jours à l’Université de Dschang afin d’évaluer leurs performances de reproduction. Tous les animaux recevaient ad libitum Pennisetum purpureum associé à 20 g d’une des rations RR0 (Témoin), RR8, RR10 et RR12 contenant 0, 8, 10 et 12% de farine de feuilles de manioc (FFM) respectivement. Les résultats ont montré que la complémentation n’a affecté (P>0,05) ni la croissance pondérale, ni les paramètres de reproduction. Toutefois, les femelles recevant la ration RR8 ont enregistré les taux de fertilité (100%), de fécondité (206,67%) et de viabilité au sevrage (100%) les plus élevés par rapport aux femelles des autres rations. L’augmentation de la FFM dans la ration a réduit (P<0,05) les pertes de poids au terme du sevrage. La complémentation à 10% de FFM a amélioré (P<0,05) les GT (356,56 g) et GMQ (4,99 g) pendant la gestation. L’incorporation de la FFM dans la ration a amélioré les performances de reproduction des cobayes.
© 2016 International Formulae Group. All rights reserved.
Mots clés: Cavia porcellus, Pennisetum purpureum, tourteau de soja, faine de feuilles de manioc, gestation, performances de reproduction
English Title: Effects of inclusion of cassava leaf meal (Manihot esculenta Crantz) in the diet on reproductive performances of Cameroonian local guinea pig (Cavia porcellus L.)
English Abstract
Seventy two guinea pigs of six months old, weighing averagely 555.00 ± 58.25 g and distributed randomly in 4 groups of 15 females and 3 males per group were allowed to breed for 31 days at the University of Dschang in order to evaluate their reproductive performances. All animals received ad libitum Pennisetum purpureum associated to 20 g of one of the experimental diets RR0 (Control), RR8, RR10 and RR12 containing respectively 0, 8, 10 and 12% cassava leaf meal (CLM). Results revealed that complementation did not affect (P>0.05) neither growth rate nor reproductive parameters. Nevertheless, females receiving RR8 diet registered highest fertility (100%), fecundity (206.67 %) and viability rates at weaning (100%) compared to females of other diets. The increase of CLM in the diet reduced (P<0.05) weight losses at weaning. Complementation at 10% of CLM improved (P<0.05) total gain (356.56 g) and mean weekly gain (4.99 g) during the gestation period. The incorporation of CLM in the diet allows improving reproductive performances of guinea pigs.
© 2016 International Formulae Group. All rights reserved.
Keywords: Cavia porcellus, Pennisetum purpureum, soybean meal, cassava leaf meal, gestation, reproductive performances
