The early diagnosis of pregnancy is very important in dairy cows' production. Early diagnosis can be made to strengthen the feeding management and improve the milk production and the cow's constitution. At the same time, it can prevent miscarriage due to repeated breeding; if it is diagnosed as not pregnant, pay attention to it. One oestrus and timely breeding. However, the diagnosis of early pregnancy in cows is more complicated and difficult to grasp for rural cattle farmers. There is no detection equipment and reagents. Several easy-to-use early pregnancy diagnosis methods for cows are introduced for trial use by farmers.
Cervical mucus diagnosis
Take a corn-like mucus at the cervix and place it in warm water. The water temperature is 30°C-38°C. After 1-2 minutes, it is still condensing but not loose. If you spread it, it means that you are not pregnant.
Milk diagnostic method
1. One milliliter of 3% copper sulfate solution was added to 0.5-1 milliliters of milk. The milk coagulated to become pregnant, and the coagulation was not pregnancy.
2. Take 1 ml of milk into a test tube, add 1 ml of pure saturated sodium chloride, shake and then add 15 ml of 0.1% magnesia solution and shake for 20-25 seconds, then place it in boiling water for 1 minute and take it out for 3-5 minutes. After observation, if the formation of floc sinks in the lower half shows that it is pregnant, floc formation is not formed or the upper part is not pregnant.
Urine diagnostic method
Take 20ml of urine discharged from the early morning of the cow into a test tube, add 1ml of vinegar first, and then add 1ml of 2%-3% medical iodine infusion, and then slowly heat and boil with fire. At this time, the top of the test tube is from top to bottom. A red color indicates pregnancy, such as light yellow, brownish green. The color fades quickly after cooling and is not pregnant.
Pork is a very common meat in life, especially in China. Pork consumption is much higher than other meats and is the main source of meat. Pork tastes and tastes very good, it doesn't get tired when you eat it regularly, and it has a variety of practices. It can be delicious with a variety of ingredients.
Although the pork chop is made of pork, it has no fatty feeling at all, and it is particularly chewy. It is processed through many processes, not to fry or cook pork. The pork that is made out has a lot less oil, and the feeling of eating meat is particularly cool. The authentic pork chop uses the pig's hind leg meat. This part of the meat is mainly lean meat, and the fat is rare. It is more suitable for pork. breast
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