Replacement corn for jackfruit silage in diets for feedlot lambs
DOI:
https://doi.org/10.5433/1679-0359.2015v36n3p1599Keywords:
Alternative feeds, Ruminant, Nutritional value.Abstract
The objective was to evaluate the effects of replacement corn by jackfruit silage on intake, coefficient of apparent digestibility and performance in diets for feedlot confined lambs. Santa Inês crossbred castrated male lambs were used, in the completely randomized design. The replacement levels were 0. 333. 666. 1000 g kg-1 in dry matter (DM) of corn as the concentrate component. The intake DM, crude protein (CP) (g day-1), neutral detergent fiber (NDF) in g kg-1 and g kg-1 body weight (BW) increased linearly with replacement. The intake of organic matter (OM), ethereal extract (EE), total carbohydrates (TC) and non-fiber carbohydrates (NFC) decreased linearly, while for total digestible nutrients (TDN) quadratic behavior with replacement. The coefficients of apparent digestibility of OM, TC and NFC decreased linearly with replacement, while the coefficient of digestibility of CP and TDN showed quadratic behavior with replacement. The BW and average daily gain decreased linearly with the replacement of corn for jackfruit silage. The jackfruit silage can be used to replace corn in diets of lambs and their use is dependent on economic factors, the availability of fruit and purpose of animal productivity to be reached.
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