We may have some mistakes when we buy pig feed. In fact, we determine whether pig feed is good or not. Generally, its smell is based on the inherent smell of feed itself.

众所周知，如果在猪饲料中适量加入调味剂，如香味素、甜味素、鲜味剂、咸味剂等，冠农浓缩料，能大大提高饲料适口性，猪用浓缩料厂家，冠农浓缩料批发，丹东浓缩料，---食欲和饲料转化率，促进畜禽生长。但这些饲料调味剂的加入并没有提高饲料本身的营养价值，只是改变了饲料的物理性状。

As we all know, if we add seasoning agents, such as flavoring elements, sweeteners, freshness agents and salty agents, guannong concentrated feed can greatly improve the palatability of pig feed. The Pig concentrate manufacturers, guannong concentrated feed wholesale, Dandong concentrated feed, -- appetite and feed conversion rate can promote the growth of livestock and poultry. However, the addition of these seasoning agents did not improve the nutritional value of the feed itself, but changed the physical properties of the feed.

1、作为动物生存和生产的能量来源在动物生命和生产过程中，维持体温、随意活动和生产产品，所需能量皆来源于营养物质。

1. As the energy source of animal survival and production, in the process of animal life and production, the energy needed to maintain body temperature, move freely and produce products comes from nutrients.

碳水化合物、脂肪和蛋白质都可以为动物提供能量，但以碳水化合物供能比较经济。脂肪除供能外还是动物体贮存能量的较好的形式。

Carbohydrate, fat and protein can provide energy for animals, but carbohydrate is more economical. In addition to energy supply, fat is also a better form of energy storage in animals.

2、作为动物机体正常机能活动的调节物质营养物质中的---、矿物质以及某些---酸、脂肪酸等，在动物机体内起着不可缺少的调节作用。如果缺乏，动物机体正常生理活动将出现紊乱，甚---。

2. As the regulative substance of normal functional activities of animal body, nutrients, minerals and some acids and fatty acids play an indispensable regulatory role in animal body. If lacking, the normal physiological activities of animals will be disordered, even --.

3、作为动物体的结构物质营养物质是动物肌体每一个细胞和组织的构成物质，如骨骼、肌肉、皮肤、结缔组织、牙齿、羽毛、角、爪等组织。所以，营养物质是动物维持生命和正常生产过程中不可缺少的物质。

3. As the structural material of animal body, nutrients are the components of every cell and tissue of animal body, such as bone, muscle, skin, connective tissue, tooth, feather, horn, claw and so on. Therefore, nutrients are indispensable in animal life and normal production process.