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The article presents a study that determined the energy and protein requirements for maintenance and weight gain of crossbred cattle.

The article reports on a study on the effects of sorghum BRS-610 grain silages as it reached maturity stage after 56 days of fermentation conducted at National Research Center of Corn and Sorghum, Minas Gerais, Brazil from 2005 to 2006. The study shows that the quality of fermentation and nutritional value is relative to grain maturity stage as it indicates that milky to dough and dough stages show good fermentation quality and nutritional value.

The article discusses the assessment of the intake and apparent digestibility of dry matter, organic matter, crude protein, and intakes of digestible dry matter and total digestible nutrients (TDN) in Holstein-Zebu heifers fed with diets of sugarcane treated or not with 1% in the natural matter of calcium oxide (CaO). A negative effect to the addition of CaO in TDN intake, apparent digestibility of organic matter, and efficiency of nitrogen utilization was observed.