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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

Print version ISSN 0102-0935

Abstract

PEDRON, F.A et al. Growth of jundiá juveniles (Rhamdia quelen) with different proportions of amylose:amylopectin in diet. Arq. Bras. Med. Vet. Zootec. [online]. 2011, vol.63, n.5, pp.1200-1207. ISSN 0102-0935.  https://doi.org/10.1590/S0102-09352011000500022.

The growth and carcass traits of jundiá (Rhamdia quelen) after 60 days being fed with different amylose:amylopectin ratio in diet were evaluated. Two hundred and forty fish (initial weight of 34.3±4.3g) were raised in water re-use system with 12 units of 280L. Three diets were tested with amylose:amylopectin ratios: T417 = 26% amylose, T416 = 16% amylose and TMOCHI = 0% amylose. The fish were fed twice a day at 8:30 and 16:00h. Every 15 days the amount of food offered was ajusted. The amylose:amylopectin ratio in the starch of the diet did not affect growth, carcass and body composition of fish. This demonstrates that the jundiá has the potential to use starchy sources consisting of up to 26% amylose without altering the digestibility of nutrients and fat deposition.

Keywords : jundiá; carbohydrate; starch; digestibility; glucose.

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