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Intake and performance of confined bovine fed fresh or ensilaged sugar cane based diets and corn silage
[摘要]

It was evaluated intake, total apparent digestibility, performance and feedingbehavior of bovine fed diets constituted of corn silage, crushed sugar canegiven fresh or crushed and given 72 hours after storage, ensilaged sugar canewith or without 1% of calcium oxide and concentrate at the proportion of 1%of the body weight. It was used 35 bovines, distributed in a random block design,with 5 treatments and 6 repetitions. The animals were housed in collective stallswith troughs individualized by electronic gates. The animals fed diet with cornsilage presented greater intake of all nutrients and greater total digestibilityof dry matter, organic matter, neutral detergent fiber and total digestiblenutrients, as well as greater weight gain and subcutaneous fat thickness. Animalsfed diet with fresh sugar cane presented greater nutrient intake as well asbetter dry matter digestibility, ether extract and TDN content and a superiorperformance in relation to animals fed ensilaged sugar cane diets. Animals fedsilage of sugar cane with calcium oxide presented greater digestibility of organicmatter, NFC and content of TDN but they did not differ on performance in relationto the use of silage of sugar cane without calcium oxide. Intake and performanceof animals did not change with or without storage of sugar cane. It was concludedthat animals fed diets with corn silage present performances superior to theones which are fed sugar cane based diets, and animals fed fresh sugar dietare superior to the animals fed diets with sugar cane silage.

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[效力级别]  [学科分类] 兽医学
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