Milheto (Pennisetum americanum) como substituto do milho (Zea mays) em rações para alevinos de tambacu (híbrido Colossoma macropomum fêmea X Piaractus mesopotamicus macho)
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Data
2000
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Universidade Estadual Paulista
Resumo
Research on formulation of feeds using pearl millet (Pennisetum americanum) has been carried out to ease competition for energy source between humans and monogastrics and reduce feed cost. The effect of four levels of substitution (0, 33, 66 and 99%) of corn by pearl millet in feeds of fingerling tambacu (hybrid of Piaractus mesopotamicus male x Colossoma macropomum female), was tested in two periods of evaluation following a split plot in time design (138 and 266 days after start feeding). Three hundred sixty fingerling (3.68±0.52g) were allotted in 12 ponds of 40 m2. Diets were fed twice a day ad libitum. The water quality parameters were maintained adequate during the period of the experiment, excepted the temperature during the second period of evaluation (20.36±1.87ºC morning and 23.98±2.31ºC afternoon). The increasing level of pearl millet did not affected significantly the growth and showed tendency to be better indicating good nutritional quality of the millet. The average performance were superior in the first period (hottest days) indicating a negative effect of the temperature on the growth of tambacu during second period of evaluation.
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Pennisetum americanum, Tambacu, Alimentação, Energia, Crescimento, Feeding, Energy, Growth
Citação
SILVA, P. C.; PÁDUA, D. M. C.; FRANÇA, A. F. de S.; PÁDUA, J. T.; SOUZA, V. L. Milheto (Pennisetum americanum) como substituto do milho (Zea mays) em rações para alevinos de tambacu (híbrido Colossoma macropomum fêmea X Piaractus mesopotamicus macho). ARS Veterinária, Jaboticabal, v. 16, n. 2, p. 146-153, 2000.