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常见饲料替抗产品的功效

作者: 康柏 浏览次数: 发布时间: 2022-06-16 11:28

    2020年对于饲料养殖行业来说,毫无疑问禁抗限抗是重中之重。当前市场上琳琅满目的替抗产品在一定程度上承担中替抗的重任,那么对于这些常见的替抗产品,你都了解吗?

    1.寡糖种类很多, 目前用作饲料添加剂的寡聚糖主要有:果寡糖、半乳寡糖、甘露寡糖、大豆寡糖、异麦芽糖、木糖寡糖等。这些寡糖都属短链分支糖类,不能被单胃动物自身分泌的消化酶分解,但进入消化道后段可被肠道有益微生物消化利用,选择性地促进双歧杆菌、乳酸杆菌、链球菌等有益菌群的增殖。

    2.作为微生态制剂,益生菌的主要作用是调节动物肠道菌群平衡,所以应主要用于预防肠道疾病。

饲用酶制剂大致可以分为消化酶和非消化酶两类,通常在营养层面发挥作用。比如提高畜禽消化道内源酶活性,补充内源酶的不足;破坏植物细胞壁,提高饲料的利用效率;消除饲料中的抗营养因子,促进营养物质的消化吸收。

    3.饲用酸化剂作为一种可降低饲料在消化道中的pH值,为动物提供适合消化道环境的新型添加剂。

抗菌肽作为新型抗菌剂,具有广谱抗菌活性,而且不易引起病原菌产生耐药性,具有很多作为饲料添加剂的优点。

2020 for feed breeding industry, there is no doubt that the ban is the most important. At present, a variety of substitute anti-graft products in the market bear the heavy task of intermediate substitute anti-graft to a certain extent. Then, do you know all these common substitute anti-graft products?

1. There are many kinds of oligosaccharides. Currently, oligosaccharides used as feed additives mainly include fructo-oligosaccharides, galacto-oligosaccharides, mannan oligosaccharides, soybean oligosaccharides, isomaltose and xylose oligosaccharides. These oligosaccharides belong to short chain branching sugars, which cannot be decomposed by digestive enzymes secreted by monogastric animals themselves, but can be digested and utilized by beneficial microorganisms in the intestinal tract after entering the digestive tract, selectively promoting the proliferation of beneficial bacteria such as bifidobacterium, Lactobacillus and streptococcus.

2. As probiotics, the main function of probiotics is to regulate the balance of intestinal flora in animals, so it should be mainly used to prevent intestinal diseases.

Feeding enzymes can be roughly divided into digestive enzymes and non-digestive enzymes, which usually function at the nutritional level. For example, improve the activity of endogenous enzymes in digestive tract of livestock and poultry, supplement the deficiency of endogenous enzymes; Damage plant cell wall, improve feed utilization efficiency; Eliminate the anti - nutritional factors in feed, promote the digestion and absorption of nutrients.

3. As a kind of new additive, acidifying agent can reduce the pH value of feed in digestive tract and provide animals with a new additive suitable for digestive tract environment.

As a new antibacterial agent, antimicrobial peptides have broad spectrum antibacterial activity and are not easy to cause drug resistance of pathogenic bacteria, so they have many advantages as feed additives.

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