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鸡饲料中微量元素过量的损害性

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鸡饲料中微量元素过量的损害性

发布日期:2016-03-16 14:13 来源:http://www.zdslgs.com 点击:

鸡饲料中微量元素铁、锌、铜、锰、硒是动物必需的营养素,一般以玉米——豆粕为主的肉鸡日粮,缺乏这些微量元素,都要以添加剂的形式补充,但有时由于环境污染、作为生长促进剂高剂量添加等原因会造成日粮中某种微量元素过量,过量的微量元素随粪便排出体外又会污染环境,同时引起动物中毒。

Chicken feed in the trace elements such as iron, zinc, copper, manganese, selenium is necessary nutrition element, is generally based on corn soybean meal broiler diets, the lack of these trace elements, should be to supplement the additive form, but sometimes because of the pollution of the environment, as a growth promoter for the high dose added other reasons will cause some trace elements in the diet excessive, excessive trace elements with the feces discharged in vitro and will pollute the environment, also caused poisoning animals.

肉鸡因铁过量的中毒比较少见,过量的铁可毒害造血组织细胞,严重时能引起再障性贫血、死亡。一般慢性中毒表现为腹泻、腹痛、生长停止。铁过量还会降低铜和磷的利用率,减少维生素A在肝中的沉积。

Broiler because excess iron poisoning is relatively rare, the excess iron can poison the hematopoietic tissue cells, serious when can cause aplastic anemia, death. General chronic poisoning manifested as diarrhea, abdominal pain, stop growing. The use of excess iron will reduce the copper and phosphorus deposition rate, reduce the vitamin A in the liver.

鸡饲料中铜对蛋白质有较强的凝固作用,高剂量的铜可防止饲料发霉变质及消化道杀菌,同时也会杀灭肠道中的有益菌,破坏消化道微生态平衡,引起鸡下痢。高剂量的铜作为生长促进剂应用于鸡的报道也有,但要注意长期饲喂高剂量铜,会造成鸡中毒,表现为精神抑郁、羽毛蓬乱,肌胃、腺胃糜烂,呕吐、腹泻、便血、厌食、黏膜黄疸,严重时死亡。长期饲喂高铜日粮还会引起锌和铁的缺乏。

Copper in chicken feed on protein has strong solidification effect, high doses of copper can prevent feed mildew metamorphic and digestive tract sterilization, but also kill the intestinal bacteria, destroy the micro ecological balance of the digestive tract, causing diarrhea in chickens. High doses of copper as a growth promoter applied in chicken reports also, but to pay attention to long-term feeding of high dose copper, can cause poisoning in chickens, performance for depression, feathers unkempt, gizzard, proventriculus erosion, vomiting, diarrhea, blood in the stool, anorexia, mucosal jaundice, severe death. Long term feeding of high copper diet can also cause a lack of zinc and iron.

鸡的日粮中都要补加锌,否则会引起锌缺乏,但锌过量添加也会引起鸡中毒,表现为生长缓慢,饲料转化率降低,精神沉郁,羽毛蓬乱,肝、肾、脾脏肿大,肌胃糜烂。

Chicken diets are added zinc, otherwise it will cause a lack of zinc, but zinc added in excess will cause poisoning in chickens, performance for slow growth, feed conversion rate decreased, spirit is depressed, feathers unkempt, liver, kidney, spleen enlargement, gizzard erosion.

本文由众粮饲料友情奉献.更多有关的知识请点击:http://www.zdslgs.com/我们将用最先进的技术.最真诚的态度.为您提供最为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

This article is contributed by all the feed grain friendship. More knowledge about please click: http://www.zdslgs.com/ we will use the most advanced technology. The most sincere attitude. For you to provide the most comprehensive services. More relevant knowledge and we will continue to everyone dedication. Stay tuned.


相关标签:种鸡料

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