The use of phytobiotics in feeding monogastric herbivores has several interests, including the stabilization of the caecal flora and especially the improvement of the growth of animals thanks to a better exploitation of feed resources. Thus a trial was conducted with an objective to evaluate the feed intake and post weaning growth performances of cavy according to the inclusion level of ginger meal. A total of 40 guinea pigs of 3 weeks of age were divided into 4 lots, and subjected to rations consisting of Trypsacum laxum served ad libitum, associated with the compound feed containing 0; 0.5; 0.75 and 1% ginger powder (T0, T1, T2 and T3). This study showed that the total intake of DM, MO and CB from forage was comparable between rations T0, T1 and T2 and significantly higher than those of ration T3. At weaning, average animal weights of all rations were comparable. However, at 8 weeks of age, the T0, T1 and T3 rations yielded comparable average weights, but significantly higher than those of the T2 animals, i.e., 272 g; 298.80 g; 285.25 g and 221.83 g, respectively. The T0, T1 and T3 diets recorded total gains that were comparable but significantly higher than those obtained with animals in Lot T2. Ginger powder can be included up to 0.75% in the diet as a feed additive for improved ingestion and 0.5% for post-weaning growth. L’usage des phytobiotiques dans l’alimentation des herbivores monogastriques présente plusieurs intérêts parmi lesquels la stabilisation de la flore caecale et surtout l’amélioration de la croissance des animaux grâce à une meilleure valorisation des ressources alimentaire. C’est ainsi que des essais ont été conduit avec pour objectif d’évaluer l’ingestion er la croissance post-sevrage des cobayes en fonction du niveau de la poudre de gingembre. Un total de 40 cobayes de 21 jours d’âge était reparti en 4 lots, et soumis à des rations constituées de Trypsacum laxum servi ad libitum, associé à l’aliment composé contenant 0 ; 0,5 ; 0,75 et 1% de poudre de gingembre (T0, T1, T2 et T3). Il ressort de cette étude que les ingestions totales de la MS, de la MO et de la CB du fourrage, ont été comparables entre les rations T0, T1 et T2 et significativement plus élevées que celle de la ration T3. Au sevrage, les poids moyens des animaux étaient comparables pour toutes les rations. Cependant à 8 semaines d’âge, les rations T0, T1 et T3 ont permis d’obtenir les poids moyens comparables, mais significativement plus élevés que ceux des animaux lot T2, soit respectivement 272 g ; 298,80 g ; 285,25 g et 221,83 g. Les rations T0, T1 et T3 ont permis d’enregistrer les gains totaux comparables, mais significativement élevés par rapport à ceux obtenus avec les animaux du lot T2. La poudre de gingembre peut être incluse jusqu’à 0,75% dans la ration comme additif alimentaire pour l'amélioration de l’ingestion et à 0,5% pour la croissance post-sevrage.
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