Analysis of the causes of anus pecking in the initial stage of laying hens
Release time:
Jun 14,2018
Laying hens enter the investment return period after careful cultivation during the brooding period to the laying stage. However, how to smoothly transition from breeding to laying eggs is a problem that many laying hens breeding friends need to consider, such as lighting procedures, vaccine immunization, feed formula drinking water management, ventilation management and many other factors. Now, we will discuss with you the matters needing attention in the climbing stage of laying hens to prevent anal pecking of primiparous hens.
The first is the problem of illumination. The illumination time can be extended when the average weight and uniformity of young chickens reach the standard for about 18 weeks. However, for open chicken houses, reasonable illumination procedures should be formulated because the illumination in the young chicken stage is greatly affected by natural illumination (stable illumination time is required in the young chicken stage). The author suggests adding 1 hour in the first week and 16 hours in the next half hour every week, however, due to market conditions, some farmers hope that chickens will lay more eggs early and directly increase the light to 16 hours, which will lead to excessive secretion of estrogen and ovulation hormone in chickens, easy to produce double yellow eggs or larger eggs, and cause anal pecking during the process of ecolla valgus!
The problem of feed formula is that the amount of soybean meal added to the diet of laying hens in the late stage of breeding is generally less. During the transitional peak period of laying, farmers deliberately add more soybean meal in order to make the chickens eat better (some customers add 25% soybean meal on the 130 day of the chicken), resulting in too large eggs. Due to the small opening of the immature cloaca, the primary chickens are easy to cause egg suppression or rectocele while poor feed quality and lack of vitamin A,E, leading to oviduct and cloacal epithelial keratinization, can also lead to the occurrence of prolapse, it is recommended that customers choose high-quality nutrition comprehensive feed.
Drinking water problems, insufficient drinking water, and chickens being in a state of water shortage for a long time lead to less mucus secretion in fallopian tubes and insufficient lubrication, which is easy to cause prolapse of associated cloaca and lead to prolapse of rectum. Or diarrhea caused by disease, mold, poor water quality, physiological reasons, etc., leading to dehydration of the chicken body, also leading to insufficient secretion of fallopian tube mucus, causing prolapse.
At the beginning of childbirth, the uniformity of the chicken flock is poor, the strong and weak chickens are not fed separately in time, or the young chicken is too fat, the subcutaneous fat is too thick or the bone is not well developed, which leads to the small opening of the cloaca, thus causing the phenomenon of rectocele.
At the same time, the breeding density is too large, the air in the poorly ventilated house is also the inducement of the first-born chicken rectum.
Based on the above analysis, layer breeding is a whole, step-by-step process, any small mistake will cause greater irreversible loss, it is recommended that the majority of layer breeding friends pay attention to every stage and every detail in the breeding process, choose high-quality feed carefully managed to create the greatest benefits!
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