Crude corn oil as dietary fat source for dogs
2019
Sabchuk, T.T. | Lima, D.C. | Bastos, T.S. | Oliveira, S.G. | Félix, A.P. | Maiorka, A.
The objective of this study was to evaluate the effects the inclusion of corn oil on the coefficients of total tract apparent digestibility (CTTAD) of dietary nutrients and palatability of dog foods, and on the faecal characteristics of dogs. Three experiments were carried out. In Experiment 1, the effects of diets with increasing CO concentrations (40, 80, and 120 g/kg) in replacement of poultry offal fat (POF) in the basal diet on the CTTAD of dietary nutrients, dietary metabolizable energy (ME) content and on dogs’ faecal characteristics were analysed in eight adult dogs distributed in a double Latin-square design (4 × 4). Experiment 2 evaluated the CTTAD of the nutrients in diets containing either corn or poultry offal fat used as fat sources in replacement of 92% of a basal diet containing beef tallow in nine adult dogs applying a randomized experimental design. Experiment 3 compared the palatability of diets containing either corn oil or poultry offal meal and coated or not with a palatant by first choice test and intake ratio (IR) calculation. Dietary CTTAD and ME content, and faecal characteristics were not different (P > 0.05) among diets with increasing CO concentrations or compared with the diet with POF. No differences (P > 0.05) in the CTTAD of acid-hydrolysis ether extract (AHEE) were detected between diets containing CO (98.62%) or POF (97.94%). The inclusion of CO in did not influence diet palatability (P > 0.05). These results indicate that corn oil may be utilized as fat source in dog foods.
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