Because modern animal husbandry is driven by commercial factors, in order to obtain the best economic benefits, various living conditions of various animals exist, such as crowding, environmental temperature and humidity, air quality and so on. When animals are stressed, the metabolism of various substances in the body is accelerated, and the demand for various vitamins is increased. If a sufficient amount of vitamins is not available, the animal will be in a subclinical disease state, affecting growth and development, and will develop the disease in severe cases. Compared with the above losses, the investment in adding sufficient vitamins is very small, in line with the principle of modern commercial behavior.
When animals are in a special physiological stage, the amount of vitamins required will be higher than usual, such as childbirth, disease and so on.
Factors such as high temperatures in summer cause a decrease in feed intake, while high temperatures require higher vitamins, requiring a multiplier increase in the amount of vitamins added to the feed.
Due to the different quality of various single vitamins used in general feed mills, there will be certain losses, such as expiration, static electricity, storage conditions, mixing uniformity, and carrier quality. One of the biggest factors leading to the loss of animal husbandry is the low uniformity during the feeding process, which affects the uniformity. In addition to the management factors, the uniformity of various micronutrients in the feed is a big factor, the most The important thing is vitamins. Because animals need vitamins every moment of the metabolic process, water-soluble vitamins do not accumulate in the body. At present, China's testing methods and standards for various water-soluble vitamins have not been unified.
Because the quality of various raw materials used in feed varies, such as the high urease content of soybean meal, which affects the absorption of other nutrient factors, it is necessary to multiply the amount of vitamin added by a certain safety factor.
Taking into account the above various factors, calculated, compared with the increase in the cost of adding more vitamins and the increase in the benefits of normal growth and development of animals, to find the best benefit / cost ratio, the use of high vitamin content of the feed will make each raise The feed conversion rate in the field is further increased.
The composition of adjustable street light:
1. Adjustable street light poles, lamp holders (light sources), battery panels, batteries, etc.
2. Pipelines and other materials needed to be laid for old street lamps. ·
Features of adjustable street lights:
Adjustable street light outdoor is a new type of road lighting facility. It uses crystalline silicon solar cells for power supply, maintenance-free valve-regulated sealed batteries to store electrical energy, ultra-bright LED lamps as light sources, and is controlled by an intelligent charge-discharge controller. It has the advantages of simple installation, less investment, good safety performance, energy saving and environmental protection, etc. It is a street lamp used to replace traditional public electric lighting.
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