色情午夜 码一区二区,江苏少妇性BBB搡BBB爽爽爽,亚洲视频中文字幕,麻豆一级A片久久久乱码

news

What factors can cause piglets to be unhealthy?

We know that piglets are only sold after being cultivated in pig farms. Many new pig farms choose to start with piglets and then raise them after self cultivation. However, many pig farmers find that many piglets show unhealthy conditions when they are introduced, which leads to our later cultivation even if we use pig equipment to raise them It can't play a good role, so why does this happen? In summary, there are several factors that may cause piglets to be unhealthy.
1. Sows start breeding early
As the first born sows are still in the development process, they do not reach the physiological body maturity and sexual maturity, and early mating pregnancy, then they tend to present a relatively narrow birth canal at the time of labor. If the uniformity of piglets is poor, it is very simple to present dystocia, long birth process, resulting in fetal anoxia. In order to reduce the occurrence of this situation, first of all, sows should be mated in time, and only when their weight and age are qualified can they be mated; secondly, in production, it is necessary to pay attention to the first time sows do not attack the fetus too early. It is necessary to adjust the feeding amount and the time of embryo attack reasonably according to the condition of fat body.
2. Constipation causes
The first is compression. When sows are constipated, the hard fecal ball in the rectum directly compresses the birth canal, resulting in poor uterine blood flow, uneven delivery of nutrients, and deterioration of the internal environment of the uterus, eventually resulting in poor uniformity of newborn piglets, or even stillbirth. The second is blocked absorption. The constipation of sows leads to the gradual accumulation of feces in the intestines, which causes the toxins in the feces to be absorbed by the intestines, which will lead to the failure of the detoxification function of the liver and the detoxification function of the kidney, and then the function of the heart and lung will be reduced. However, the sow needs a lot of physical strength to give birth. When the function of the lung is poor, the oxygen supplied to the uterine muscles will be reduced, thus increasing The probability of dystocia will eventually increase the probability of stillbirth. This article is provided by Dayu animal husbandry equipment which specializes in producing pig raising equipment.
3. Use of oxytocin in Midwifery
We know that long-term dystocia will lead to the risk of the mother, so many pig farms will use oxytocin when the sow is giving birth to the piglet, but we should know that oxytocin is very bad for the piglet. Oxytocin can excite the smooth muscle of the uterus. Although it has the effect of promoting the temporary labor, due to the shortening and increasing, the probability of dystocia of the first-time sow is relatively high, which simply causes the stillbirth It happened. In fact, when the piglets reach the pelvic opening and squeeze the birth canal, the hypothalamus will excrete oxytocin, shorten the smooth muscle of the uterus, and promote the fetus to enter the birth canal. The sows will take the initiative to generate propulsion, which will affect the release of oxytocin in the hypothalamus again and again. The release of oxytocin is of low dosage, very safe, and effectively affect the shortening of the smooth muscle of the uterus. Other piglets also produce oxytocin one after another At the same time, we can massage the breasts of sows to let the piglets after birth. Their sucking and massage can affect the release of oxytocin. Therefore, the use of oxytocin must be careful, not necessarily.
4. Delivery room temperature not suitable
If the temperature of the pig house is too high, it may cause the sow to have clinical symptoms of dyspnea when giving birth. This is because the sow does not have sweat glands, and usually uses breathing and fecal discharge to reduce the body temperature. When sows were born with dyspnea, the blood oxygen concentration decreased, the supply of oxygen to uterine muscles decreased, and the contractility of uterine muscles decreased.
5. Long time limit
With the use of limit bars, sows are seriously lack of exercise, and their physical strength, endurance and muscle contractility are greatly reduced. Sows often have a long labor process, and are prone to show symptoms of uterine contraction weakness, increasing the incidence of piglet death.
6. Improper time for group transfer
When the sows are transferred from the pregnancy house to the delivery house, due to the conditions of the house (such as the slippery ground and the high connection between the bed and the ground) and the lack of patience of the employees, the sows are treated violently or the sows fall down, resulting in the damage of the machines and the stillbirth.
7、 Improper feeding
After each feeding, clean the surplus feed in the feed tank, the rest of the feed will easily lead to mildew, and mycotoxin will lead to fetal edema and death in the uterus.
8. Disease causing
Reproductive disorders such as subtle, blue ear, ring, pseudorabies, JE, chlamydia and so on may form intrauterine fetal death. Therefore, the basic immune work of sows is also an important way to effectively reduce the generation of stillborn or weak offspring.
All the above eight points are likely to lead to poor health of piglets. When we introduce piglets, we should check their physical condition carefully, and we should ensure that when we introduce piglets, they are healthy piglets introduced from regular pig breeding farms, so that they can have a more perfect guarantee for their health.

  • Contact us
  • Web:http://hph3photography.com/en/
  • http://qdph.en.alibaba.com
  • Tel/Whatsapp/Wechat:+8618266221406 +15621127700
  • Email:elsa@sdpuhui.cn nanaliu@sdpuhui.cn
  • Focus on us
  • Sales service hotline
  • 18660928200
  • Address:The streets of Bei'an Li Ling Industrial Park in Qingdao city of Jimo
  • Address:China Shandong Linyi Town Secondary Village Development Zone

Copyright 2017 Qingdao Puhui Agriculture and Animal Husbandry Science and Technology Co., Ltd. All Rights Reserved

午夜夜伦鲁鲁片一级A片 | 中文字幕久久久久久久 | 日韩AV在线免费观看 | 免费 无码 国产在线观 | 四虎精品成人免费网站 | 国产精品在线久久三级片 | 一夲道人妻熟女AⅤ电影 | 高清无码十八 成人在线免费观看 | 午夜成人裸体视频在线 | 国产一级AAAAA毛片 | 91精品国产乱码久久久久久 | www国产国产九九99 | 国产精品久久久久久久久久久久无码 | 4444西西大胆无码视频 | 寡妇熟妇高潮片AAA 熟女毛多熟妇人妻中出 | 国产欧美一区二区三区特黄手机版 | 在线观看永久免费麻豆 | 国产 高潮 白浆 免费 | 91人澡人人爽人人精品 | 亚洲精品无码你懂的 | 亚洲AV无码成人精品区一本婷婷 | 99精品免费观看视频 | 福利姬视频在线www 成人午夜色情无码精品 | 成人毛片18女人毛片免费不卡在线 | 西西大胆人体视频 | 婬片试看15分钟 | 搡老女人多毛老妇女中国 | 中文字幕乱码人妻二区三区 | 爽9毛片国产精品一区 | 精品成人Av一区二区三区 | 五月天婷婷久久爱成人丁香网 | 午夜成人电影在线观看 | 成人影片在线免费观看 | 成人网站在线观看免费 | 西西4444www无码国模吧 | 躁BBB躁BBB躁BBBBBB | 无码人妻精品一区二区蜜桃视频 | 精品人妻一区二区三区蜜桃 | 国产精品久久久久影院老司 | 影音先锋无码av在线 | 制服丝袜爆操内射 |