1. Prepare for cold preparations Before winter arrives, conduct a comprehensive inspection and maintenance on the hen house, block wall cracks, replace door and window glass, prepare for film and straw curtains for winter use, and remove the pergola in a semi-open house. The back window can be closed with a plastic sheet. At the same time, the preparation and installation of heating facilities must also be well done. In particular, chicken farms that use coal-fired boilers for heating must check the flue and chimneys. When leaks or leaks are discovered, they can be plugged, replaced, or reformed as soon as possible.
Second, pay attention to day-to-day management Every day feeding, feeding, picking eggs, we must carefully observe the chicken's demeanor, appetite, but also pay attention to check the color and shape of the feces, if found chicken spirit, loss of appetite or fecal abnormalities should be timely pick Out, do a further inspection and treatment. In the seasonal changing season, the chicken nerve is very sensitive, and it is prone to adverse stress reaction to external stimuli. Therefore, when feeding, feeding water, picking eggs, and sanitizing, the actions should be as slow as possible to prevent the occurrence of adverse stress reaction and lead to discontinued production. Or induce disease. For grass-raised chickens that are housed outside the home, chickens should be rushed into the house at night when the temperature is low. Pay attention to watching and listening to the weather forecast and do a good job of keeping warm and cold in advance.
In order to promote the feeding of layer chickens, feeds can be added at night, and it is advisable to feed the chickens before turning off the light. Feed replacement should be gradual, with a period of 2 to 3 weeks of adaptation to prevent sudden changes in the stress response.
Third, reasonable adjustments to the chickens before the winter, the timely elimination of old chickens in the low-yield chickens and thin chickens in the new chickens. For old chickens without artificial forced moulting, the hens that have finished moulting should be separated to form a new group, focusing on preserving hens with bright red crowns, large pubic bone spacing, loose and loose anus, and soft and elastic abdomen. When group adjustments are made to the flock, placing new chickens will destroy the original stability pattern, and often fight to re-establish the group order. Before the determination of affiliation, there will be a fight phenomenon. Therefore, when adjusting the flock to control the number of groups Generally, it is appropriate to use 100 to 200 animals. After gregarious observation, we must carefully observe and stop the phenomenon of fighting in time. For hens who have a strong desire for fighting and hens that have already been injured, separate cages should be taken.
Fourth, do a good job in environmental disinfection Autumn, autumn, low temperature, humidity is very suitable for the survival of bacteria, and autumn and winter is still a popular season of many infectious diseases, therefore, environmental disinfection, utensils disinfection, drinking water disinfection is also very important. Closed chicken houses are still required to be sterilized once a week with chickens. They can be sprayed with 100 toxins. They can be sterilized with 10 to 20% lime water, or sprayed with 3 to 4% caustic soda. In the sheds, feeders, buckets, buckets, drinking fountains, and other utensils can be sterilized with 0.01% bactericidal toxin or 100 toxin or chlorine. Vehicles, brooms, shovels, and other equipment used to clean feces should also be regularly cleaned and disinfected. Bacteria poisonous net and 100 poisonous to kill in eggs and meat have no residue, can be used for disinfection of drinking water, but the implementation of drinking water disinfection, the drug concentration must be accurately formulated in accordance with the provisions, can not have the slightest ambiguity.
V. Blocking the epidemic vulnerabilities In autumn and winter seasons, poultry are prone to various diseases such as Newcastle disease, highly pathogenic avian influenza, fowl cholera, infectious rhinitis, infectious bronchitis, infectious laryngotracheitis, and pox disease.
The main principle of disease prevention is to do a good job of environmental disinfection and early immunization. We must carefully examine and analyze the immunization schedules, immunization records, and routine immunization programs for chickens in autumn and winter. Chickens, unvaccinated chickens, and poorly immunized chickens should be based on the actual situation of the local epidemic, and replant vaccines in a timely manner in order to block the vaccination loopholes and ensure the safety of chickens in winter.
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