How to eliminate and renew breeding pigs

Breeding pigs are the basis for the proliferation of pigs and are the core of the entire pig production. Since the use of breeding pigs has a finite number of years, boars do not normally exceed 2 years in natural mating, sows do not exceed 8 litters, harvesting boars use 3 to 4 years, sows do

Fur processing and storage methods

The method of initial processing and storage of fur is closely related to increasing income. The method is described below.

1 Fresh skin to scrape off fat and residual meat in time

Fresh skin such as foxes, fleas, fleas, and raccoons that have been peeled off must be immedi

How to remove wool

Cotton wool can be used for degreasing. Put the cotton into the cylinder and add 1000ml of crude sulfuric acid with a specific gravity of about 1.8 per 10kg of cotton.
After about 10 minutes, all the short-staple velvet disappeared, and the shell was removed when it was black, rinsed with

How to identify the true and false mechanical oil

(1) Identification of counterfeit gasoline One is to look at the color of the oil. The authentic gasoline is light yellow, light red, or orange. The second is to look at the bubbles. After the shaking, bubbles are created and disappear with it. The third is smelling smells, smelling authentic

H Fin Tube (Square Fin Tube) Technical Requirements

Technical Requirements for Production of H-Finned Tubes (Square Finned Tubes)

1 Welding strength and stability

1.1 Tensile force test: greater than 200MPa or partial tearing of steel pipe

1.2 Weld Width: Greater than fin

Current longan management measures

At present, the central task of longan management is to adjust and manage the results of the mother branch, and to further control the promotion of flowers.

First, master the time of late autumn shoots and winter shoots

1. The flower bud differentiation period of white suga

Sweet and sour garlic processing method

Sweet and sour garlic, because of its sweet and sour, tender and crisp, refreshing and refreshing, unique flavor, loved by people. Now its processing method is described as follows:
1, raw material selection and processing. Garlic requires hypertrophy, levelling, skin whitening, fresh tex

Tips to reduce tire wear

The method of driving a car has a lot to do with tire wear. A good and skilled driving technology can effectively reduce tire wear, extend the service life of the tire, and improve driving safety. Here are some tips for reducing tire wear:

First, do not start too fast,

Tremella quality identification

Tremella, also known as snow ear, white fungus, contains a variety of nutrients and gum ingredients. Due to its charming appearance, elegant color, and high nutritional and nourishing value, it has always been regarded as a delicacy and health care product.

According to the quality of

There are two fears

I am afraid that many flowers in the water will grow vigorously in the summer and can be poured with more water, but the more the water is poured, the better. In summer, there is more rainwater, and the water in pots tends to collect water. If the water in the basin is not eliminated in time,

How to prevent pig constipation

Symptoms: In the early stages of the disease, pigs lost appetite and often bowed and bowed. They showed defecation postures, but they excreted stagnation and pulled out dung-like dry dung balls. They often adhered to white mucus. The pigs thirsty and greedily sipped and presented with restless

American researchers say vitamins may not prevent heart disease

American researchers have recently discovered that vitamin C and vitamin E may not help men prevent heart disease, but may have side effects.

The Brigham Gynecology Hospital affiliated with Harvard University in the United States conducted a “Doctor Health Study”. Since 199