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首页> 外文期刊>Animal Feed Science and Technology >The effect of feeding expeller-pressed canola meal on growth performance and diet nutrient digestibility in weaned pigs.
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The effect of feeding expeller-pressed canola meal on growth performance and diet nutrient digestibility in weaned pigs.

机译：饲喂压榨的双低菜粕对断奶仔猪生长性能和日粮营养消化率的影响。

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摘要

The effects of feeding increasing levels of expeller-pressed (EP) canola meal in substitution for soybean meal as an energy and amino acid source were evaluated in 240 weaned pigs with an initial body weight of 7.3+or-0.6 kg. Five pelleted wheat-based diets containing 0, 50, 100, 150 or 200 g EP canola meal/kg were formulated to contain 10.0 MJ net energy (NE)/kg and 1.18 g standardised ileal digestible (SID) lysine/MJ NE and were fed for 4 wk starting 1 wk after weaning at 19 days of age. Expeller-pressed canola meal was added at the expense of soybean meal and the diets were balanced for NE using canola oil and for amino acids using crystalline lysine, methionine, threonine and tryptophan. Increasing inclusion of EP canola meal linearly reduced (P<0.001) the apparent total tract digestibility of energy, dry matter and crude protein and the digestible energy content of diets. From 0 to 28 days on trial, increasing inclusion of EP canola meal did not affect body weight gain, feed intake and feed efficiency. In conclusion, up to 200 g EP canola meal/kg can replace soybean meal in diets formulated to equal NE and SID amino acid content and fed to nursery pigs starting 1 wk after weaning without reducing growth performance.
机译：在240头初始体重为7.3+或-0.6 kg的断奶猪中，评估了饲喂增加水平的压榨油菜籽粉代替大豆粉作为能量和氨基酸来源的效果。五种以0、50、100、150或200克EP低芥酸菜籽粕/千克为基础的小麦制粒日粮经配制，分别包含10.0 MJ净能量（NE）/ kg和1.18 g标准化回肠易消化（SID）赖氨酸/ MJ NE，分别为在19天龄断奶后的1周开始喂4周。添加膨化机压榨的低芥酸菜粕，但要以豆粕为代价，并且使用低芥酸菜籽油平衡日粮的NE，并使用结晶赖氨酸，蛋氨酸，苏氨酸和色氨酸平衡氨基酸。 EP油菜粕含量的增加线性降低（P <0.001）能量，干物质和粗蛋白的表观总道消化率以及日粮的可消化能量含量。从试验开始的0到28天，增加EP油菜粕的添加量不会影响体重增加，采食量和饲料效率。总之，在配方中具有相同NE和SID氨基酸含量的日粮中，高达200 g EP双低菜粕/千克可以代替豆粕，并在断奶后1周开始喂给保育猪，而不会降低生长性能。

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