让少妇高潮无乱码高清在线观看,亚洲精品无码不卡在线播HE

News title：How to improve the appetite of sows in summer

In summer, when the weather is hot, the appetite of everything will be reduced, and the appetite of sows will also be reduced. If the intake is not enough, the nutritiona...

2018-06-26

News title：What is the equipment for raising pigs that can be ventilated and cooled in summer？

There are many high temperature days in summer, and the breathing capacity of the pig is very large. It is necessary to cool and ventilate the pig house to maintain the t...

2018-06-22

News title：Do you know the advantages of farrowing crates?

The appearance of sow bed can help sow to give birth better. Today, our editor will share with you some questions about its advantages, so that you can better understand and use it.
Sow bed is ...

2018-05-20

News title：The work of pig farm should be done well to develop better

I believe many friends like to eat pork, so do you know what work we need to pay attention to when raising pigs? Let's take a look at our introduction. I believe it can help you better understand.
2018-05-20

News title：In 2018, pig breeding must have these eight certificates, or shut down!

This year may be a tough year for pig farmers in history. First, the price of pigs plunged at the beginning of the year. Then, the strict environmental protection law was issued, which left pig farmer...

2017-12-18

News title：Pig trading market feedback

According to the previous forecast, there will be a small rise in the price of pigs around the winter solstice, and the slaughtering enterprises will live up to expectations. The price of pigs will ri...

2017-12-22

News title：What about pig asthma?

Asthma is a chronic respiratory infectious disease in pigs. In general, the mortality rate of the disease is not high, but secondary infection often occurs in the epidemic of the disease, which makes ...

2017-12-20

News title：走進(jìn)美麗的廈門(mén)

On December 21, Zhu Songping, general manager of Pratt & Whitney agriculture and animal husbandry, was invited to visit customers in Xiamen.
It is reported that the main purpose of Mr. ...

2017-12-21

All 28 Pages Current20/28Pages [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]

色欲综合久久躁天天躁_亚洲欧美另类激情综合区蜜芽_久久99国产综合精品女同_最近最好的2019中文日本字幕