roughage是什么意思,roughage怎么读,
1.Some cats munch on grass or other plants, but most biologists agree that such roughage serves only as a digestive aid and provides limited if any nutritional value.
虽然一些猫咀嚼草或其它植物,但是生物学家认为这些粗纤维仅是用来助消化并且提供很有限的营养。
2.The effects of different levels of additive soy phosphatide in the diet of early lactation cows with northeast hay and corn silage as roughage on their performance were studied.
以羊草和青贮玉米为粗饲料,对奶牛饲粮添加不同水平大豆磷脂的饲喂效果进行研究。
3.Improving the growth of rumen microorganisms by supplementing some nutrients into ruminant's ration is an essential way to improve the nutritive value of roughage.
通过适宜的日粮营养补添调控反刍动物瘤胃微生物区系的生长可提高粗饲料的利用效率。
4.Fibre can be lacking in children's diets, the increased use of more convenience meals and fast foods may lead to less natural roughage in the diet.
儿童日常饮食可能缺乏膳食纤维,方便食品和快餐的流行可能导致饮食中天然膳食纤维素的匮乏。