Low egg production rate in first-laying hens should extend the light time
Xu Chengfu of Xuancheng, Anhui Province, told the newspaper “The Pastoral Doctor 110†that he bred about 1,200 yellow chickens under the forest and entered the egg production period at 170 days of age. He had already laid eggs for about half a month, although the eggshell thickness was Egg shape is good, but the egg production rate is not high, the main feeding is rice, corn, etc., feeding about 75 kg per day. He asked: Why is the egg laying rate not high? Is it related to less cultured cock? Is there any way to improve?
Li Yin said that because of physiological factors, first-lay laying hens produce less eggs themselves, and have nothing to do with the number of cockerels being raised. They generally do not have enough calcium and phosphorus in the feed, and have short light periods and diseases during the laying period (Newcastle Disease). , avian flu, coccidiosis, etc.) and other reasons. In addition, over-fat chickens also have a certain effect on egg production.
According to Xu Chengfu's statement, chickens in his family are less likely to cause decreased egg production due to inadequate levels of calcium and phosphorus in the disease and feed. They should be caused by newly opened laying hens, unstable egg production, and insufficient illumination time. .
To increase the egg production rate of first-laying hens, first of all, strengthen feeding and management and increase the feeding of nutritious feeds, such as strengthening the insulation of the sheds and controlling the humidity in the sheds, so that the temperature inside the sheds is controlled at 18 to 23°C and the humidity is 50%. ~ 60%, and strengthen ventilation, promote air circulation, reduce the content and density of bacteria in the house.
Generally, the daily illumination time of laying hens should reach more than 16 hours, and the production time of the laying hens is too short and the production rate of egg production drops. Gu Shaopeng from Shanxi Agricultural University Department of Veterinary Medicine has conducted experiments on “the effect of different illumination time on the performance of layer chickensâ€. The test results showed that 14 hours, 15 hours and 16 hours of light per day, laying hens' rate, feed Consumption and other groups have little difference, but the daily illumination of laying hens for 17 hours can increase their egg production rate, reduce feed consumption and aquaculture costs, and increase economic efficiency.
In the production process, layers of 10 watt white or red light can be used to prolong the illumination time of laying hens in the production process, which can increase the egg production and egg weight of the laying hens. The density of the white woven lights should guarantee the light Even without dark areas, lights are normally added before sunrise and after sunset.
Disinfection Box,Sterilization Box,Autoclavable Instrument Box,Instrument Sterilization Box
GUANGDONG JIANGMEN RONGHAI MEDICAL TECHNOLOGY CO.,LTD , https://www.kimaomedical.com