The muhinutrient blocks had marked effects on NH3-N, its crude protein content was as high as 38.7%, compared with control group, the NH3-N content had significantly difference.

舔砖对瘤胃内NH3-N浓度有较大影响，舔砖的粗蛋白含量高达38.7%，产生的NH3-N浓度比对照组高且差异显著。

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Its main ingredients of carbohydrates, protein, vitamins, the crude protein content of about 27%, higher crude fiber content.

其主要成分为糖类、蛋白质、维生素等，粗蛋白含量约27%，粗纤维含量较高。

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The experiment was conducted to study the effects of dietary crude protein(CP) level, breed and muscle fiber type on intramuscular fat(IMF) content and its fatty acid composition in fattening pigs.

本试验分析了不同日粮蛋白水平、品种和肌肉纤维类型对肥育猪肌内脂肪（IMF）含量及其脂肪酸组成的影响。

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