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Fast fattening technology of shelf cattle

For cattle with a weight of 300-400 kilograms, the cattle are concentrated for 90-100 days and the fast fattening is performed. The body weight is about 500 kilograms. It has the characteristics of short feeding period, fast cash flow, low production cost, and remarkable economic benefit. In the s ......

Introduction to the principle and application field of the m…

The mixer is a machine that uniformly mixes two or more materials by the action of mechanical force and gravity. Hybrid machines are widely used in various industrial production and daily life in pharmaceutical, food, chemical, agricultural, and construction industries. The mixer can mix a variety ......

Weiyuan County, Yunnan Province: Microporous aeration techno…

Eryuan County, Yunnan Province: pond microporous aeration technology Date: 2011-08-26 10:51 Author: Source: China agricultural extension network clicks: 69 Download files: #TRS_AUTOADD P {LINE-HEIGHT: 24px; MARGIN-TOP: 6px; FONT-FAMILY: Arial; MARGIN-BOTTOM: 12px; FONT-SIZE: 10.5pt}#TRS_AUTOADD TD ......

Vacuum packaging machine operation process and characteristi…

The vacuum packaging machine is: after the bag is drawn into a low vacuum, it is automatically sealed immediately. Because of the high vacuum in the bag, the residual air is very small, inhibiting the proliferation of microorganisms such as bacteria, and avoiding oxidation, mildew and spoilage of th ......

How to identify inferior engine oil

If the owner of the vehicle uses inferior oil, it will not only affect the life of the engine, but may also “break down” at any time, resulting in huge losses. With the increase in the production and sales of motor vehicles in China, the lube market has shown tremendous business oppor ......

Four Tips for Homemade Pesticides

1 Take 200 grams of scallion, chopped and put into 10 litres of water for a day and a night. After filtering, spray the affected plants several times a day for 5 consecutive days. 2 200-300 grams of garlic, smashed juice, diluted with 10 liters of water, immediately used to spray the plants. 3 4 ......

The humidity control in the fall chicken house is very impor…

Chickens are sensitive to changes in humidity. In the summer and autumn, when the temperature is high and rainy, the relative humidity of the house is kept at 55% to 60%. If the humidity is too high (above 75%), the effect of high temperature on chickens will be aggravated and the temperature will ......

What if the dragon fruit is not sweet?

Dragon fruit is rich in nutrients and unique in function. It contains botanical albumin and anthocyanin, which are rare in plants, rich in vitamins and water-soluble dietary fiber. In addition, the pulp of dragon fruit contains almost no fructose and sucrose, and sugar is mainly glucose. This natu ......

What are the duck brooding methods?

Duck brooding methods include ground breeding, online brooding and three-dimensional cage brooding. 1 Ground brooding is to lay 5cm thick soft litter on the ground of the brooding house, feed the ducklings directly on the bedding, and use underground (or aboveground) heating pipes, coal stoves, n ......

Application of spiral threaded tube heat exchanger in the pr…

China's APIs have developed rapidly and have become the world's largest pharmaceutical producers and exporters. At present, China is facing the golden development period of pharmaceutical raw materials and intermediates. “Breakthrough, development and innovation” is the developme ......