What effect does winter light have on pigs?
2022-02-16
We know that the importance of light to sows is one of the main environmental factors affecting reproduction. Therefore, most sow houses, especially the bridal chamber, have their own suitable lighting system.
But does light also promote fat pigs?
Light is one of the necessary living conditions for animals. It can have a complex impact on the body. It strengthens the activities of the central nervous system and the process of material metabolism. Light environment parameters such as illumination time, illumination and illumination system are one of the important environmental factors affecting pig production. Different light environments have only different effects on different types of pigs. If the pig farm has a reasonable lighting system, it is conducive to improve the growth performance of pigs.
Light can promote the secretion of growth hormone. Growth hormone stimulates cells and increases mRNA, tRNA and rRNA required for protein synthesis, so as to promote protein metabolism and accelerate the growth, development and weight gain of finishing pigs.
Light has a certain effect on growing and finishing pigs. Appropriately increasing the light intensity can improve the health and resistance of pigs; However, increasing the light intensity also increases the activity time of pigs and reduces the rest and sleep time. According to the measurement, the light intensity of finishing pigs increased from 5 LX to 40 ~ 50 LX, and the daily gain increased by about 5%. It is suggested that the light intensity of growing and finishing pigs is generally 40 ~ 50 LX and the time should not exceed 10 hours.
In the actual production of fattening pig breeding, we should pay attention to the impact of light on production, make full use of the benefits of light as much as possible, and add 0.5% emodin into the feed according to the nutritional needs of pigs, so as to promote the healthy and rapid growth of pigs, improve the immunity of pigs and improve the meat quality.
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