最近最经典中文MV字幕,国产成人无码精品久久二区三,在线一区二区三区,四川少妇BBB搡BBB爽爽爽视频

news

Methods pig pig equipment of Lai

1, first of all to fatten pigs selected, when selecting a pig to see the pig weaning time, watching the fur is smooth ruddy, watching the weight is appropriate, too small to raise time is too long, choose strong legs pig's trotters in good spirits of gloss.
2, pig food quality, eat good development easier to keep better digestive slaughter, faster growth and maintain the cleanliness of regular disinfection pigsty, prevent various diseases, the incidence of infectious diseases, be prepared against want. If it is a greenhouse, the pig should ventilate regularly and keep the temperature of the pigsty. A new pig into the implementation of the first anti-virus cleanup in the pigsty to ring before the pig trough the use of water scrubbing, wall residues have to clean up, until the time of cleaning and drying after spray disinfection Baidusha, if conditions permit available heat sterilization.
3, if you have a boar, you should always pay attention to the oestrus of the breeder, and prepare for the rut. Between the post farrowing and lactation to make reproductive system of the pig returned to normal, well prepared for the next reproduction, more often when sucking piglets was observed due to the normal activities of sows piglets caused death.
4, after lairage for pig feed, the choice of good merit selection, the pig is not easy to change often feed, a fixed digestion model of pigs, is conducive to digestion and weight increase, to a certain stage in increasing feed according to the weight change and the appropriate changes, daily cleaning waste to prevent pollution, disease transmission and feed.
5, there are a lot of pig feeding way, thinner, dry wet material. According to the pig's health status and digestion for distribution, pay more attention to observe the pig feces and food intake, to prevent disease, early detection, early treatment

  • Contact us
  • Web:http://www.bowvalleybabysitting.com/en/
  • http://qdph.en.alibaba.com
  • Tel/Whatsapp/Wechat:+8618266221406 +15621127700
  • Email:elsa@bowvalleybabysitting.com nanaliu@bowvalleybabysitting.com
  • 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

黄色av免费观看 | 久久婷婷夜色精品国产冻传媒 | 又粗又长又大又爽又黄的小视频 | 五月天婷婷丁香激情综合网 | 亚洲AV无码一区二 | 中文字幕在线高清 | 国产又爽又黄又嫩又猛又粗 | 张柏芝一级毛片一区二区在线 | 成人 高潮片免费视频 | 午夜精品无码视频 | 欲妇荡岳丰满大乳无码久久久久 | 91精品国产综合久久久密臀价格 | 啪啪网站免费观看 | 亚洲精品国产精品乱码视色 | 国产精品人体视频 | 17c成人网站在线观看 | 婷婷五月天综合网 | 亚州成人免费视频 | yy6080午夜理伦福利 | 性一交一乱一区二区洋洋Av | 99精品久久久久久中文字幕 | 日本少妇性高潮视频 | 国产精品久久久久久免费播放 | 蜜桃视频在线播放一区 | 成人精品鲁一鲁一区二区 | 国产成人精品无码一区二区三区免费 | 一区二区三区精品免费视频 | 红桃视频成人A片 | 特级西西人体444WWwtini | 日本无码五十六十路熟妇 | 先锋资源一区二区 | 国产精品爽爽久久久久久 | 精品无码国产一区二区久久久99 | 三级片网站在线观看 | 7777777亚洲成A人片 | 亚洲精品免费成人APP | 亚洲欧洲精品视频在线观看 | 免费无码婬片AAAA片直播色戒 | 五月激情综合美女久久 | 国产精久久一区二区三区 | 蜜桃av乱码人妻一二三区 |