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首页> 外文期刊>Journal of dairy research >Replacement of grain maize with spineless cactus in the diet of dairy goats
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Replacement of grain maize with spineless cactus in the diet of dairy goats

机译：在奶牛饮食中用无骨仙人掌替换粮食玉米

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Spineless cactus (Nopalea cochenillifera) is widely used in animal feed in semi-arid regions, due to the adaptive characteristics to such conditions and for having high levels of soluble carbohydrates. This research article describes the effect of replacing grain maize with spineless cactus in the diet of dairy goats on dry matter intake, water intake, milk yield, milk physico-chemical characteristics and diet production costs. Eight multiparous Anglo Nubian goats were fed diets in which grain maize was replaced with spineless cactus at four levels (0, 33, 66, and 100%) in a double 4×4 Latin square design. Milk yield was measured and samples collected in the last three days of each period for physicochemical analysis and for determining nutrient intake. Diet production costs were also determined. Replacing maize with spineless cactus did not influence dry matter intake. Water intake via the drinker decreased linearly in response to the increasing levels of spineless cactus in the diet. The replacement of maize with spineless cactus did not change milk yield or physicochemical parameters. Total feed cost and the percentage of revenue losses from feed decreased with the replacement. Therefore, spineless cactus can fully replace grain maize in the diet of dairy goats, as it does not change dry matter intake or milk yield, but rather reduces feed costs and the drinking-water intake of goats.
机译：由于这种条件的适应性和具有高水平可溶性碳水化合物的适应性特征，脊髓卵石（Nopalea Cochenillifera）广泛用于半干旱区域中的动物饲料中。本研究文章介绍了在干物质摄入，水摄入，牛奶产量，牛奶物理化学特性和饮食生产成本上替换粮食玉米用骨玉米饮食中的肉豆玉米霉菌的效果。八个多重盎格鲁Nubian山羊喂食饮食中，其中谷物玉米以双层（0,33,66和100％）以双4×4拉丁方形设计替代骨肉仙人掌。测量乳屈服并在每个时段的最后三天收集的样品进行物理化学分析和确定营养摄入量。还确定了饮食生产成本。用脊椎仙人掌取代玉米并没有影响干物质摄入量。通过饮酒者的水进口响应于饮食中的椎骨仙人掌水平的增加而线性下降。用脊椎仙人掌替换玉米并未改变牛奶产量或物理化学参数。饲料总饲料成本和收入损失的百分比随着替代而减少。因此，脊椎仙人掌可以完全取代奶牛饮食中的籽粒玉米，因为它不会改变干物质摄入或牛奶产量，而是降低饲料成本和山羊的饮用水摄入量。

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