日本少妇AA一级特黄大片,成人国产精品日本在线

news

Blog

News title：It is very important to keep the environment of pig equipment dry

In our impression, the environment of the pig farm is always wet and dirty, but now with the use of the pig farm equipment, the environment of the pig farm has been greatly improved. The origina...

2020-02-22

News title：Four Misunderstandings in pig health care

When we raise pigs again, we must do a good job in pig health care. If we don't do a good job in pig health care, or if we don't do a good job in pig health care, then our pig farms are likely to have...

2020-01-08

News title：Excrement is a treasure. Don't waste it

Feces has always been a disgusting thing, whether it's human feces or poultry and livestock feces, but for us chickens, feces is another thing that we have to deal with, because the number of chickens...

2020-01-08

News title：Reducing the waste of feed can reduce the cost of raising chickens

For the people who raise chickens, of course, the most expensive part is feed. The cost of feed accounts for more than 60% of the production cost of raising chickens. It can be seen that the cost of f...

2020-01-07

News title：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 ...

2019-12-30

News title：Mistakes that are easy to get into when raising pigs

Many people like to do some strange things under normal circumstances, which is caused by their misunderstanding of some things, like when we are raising pigs, there are likely to be some misunderstan...

2019-12-27

News title：How to maintain the chain and bearing of chicken raising equipment?

We know that the chicken raising equipment we purchased and used is composed of a lot of equipment, including some equipment that is easy to be worn, such as the chain of the equipment such as the man...

2019-12-27

News title：It is easy to have problems in feed proportion when raising pigs

There are all kinds of misunderstandings in many industries. When we enter into these misunderstandings, we often don't know ourselves, but we will obviously find that our cost consumption has increas...

2019-12-20

All 28 Pages Current13/28Pages [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28]

老湿司午夜爽爽影院榴莲视频-国产欧美日韩电影一区-亚洲成熟毛多妇女av毛片-中文日韩欧美天堂-国产欧美精品av-欧美亚洲成人免费电影-久久精品视频91