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Scientia Agricola

On-line version ISSN 1678-992X

Abstract

SARKIS-GONCALVES, Fabianna; CASTRO, Ana Maria Vicente  and  VERDADE, Luciano Martins. Animal discards and the growth and weight gain of the broad-snouted caiman, Caiman latirostris (Daudin, 1802), in captivity. Sci. agric. (Piracicaba, Braz.) [online]. 2002, vol.59, n.2, pp.243-250. ISSN 1678-992X.  https://doi.org/10.1590/S0103-90162002000200006.

Cost of feeding is the main limiting factor of caiman farming. The use of livestock discards and byproducts as food sources in caiman farms might help solving this problem. On the present study, four different livestock discards were evaluated as food for broad-snouted caimans (Caiman latirostris) on the first year of life. A total number of 120 hatchlings from six different clutches were kept in four tanks inside a greenhouse. The following diets were used: fish, swine, chicken, mixed (fish + swine + chicken, equal proportions). The experimental design was based on nested ANOVA. Weight gain and growth rates of snout-vent length and belly-width were measured and growth models established. The mixed diet resulted in best growth rates and weight gain, but no consistent difference in growth models among diets were detected.

Keywords : wildlife management; feeding; caiman farming.

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