In the production of laying hens, some laying hens do not have peak egg production. Is this why? Here are the top five reasons why laying hens do not have peak egg production:
First, the impact of feed: 1 full-rate feed energy and protein can not meet the egg production peak production needs. 2 raw material protein quality is poor. The peak diet uses too many raw materials with low protein utilization, such as rapeseed meal, cottonseed meal, etc., and the protein digestion rate is 75% and 72%, respectively, and the palatability is poor and contains poisons. In addition, the use of moldy raw materials will also lead to the peak of egg production. 3 Nutrition is imbalanced or insufficient. The methionine and cystine in the feed during the peak period of laying hens are insufficient. According to the general formula, the addition of methionine and cystine is usually 0.53 to 0.61%, and arginine and lysine are also considered; the proportion of mineral salt is not appropriate. Or insufficient, especially the imbalance of calcium and phosphorus. The normal ratio is between 5 and 6:1. During the peak period, the trace element manganese content in feed should not be neglected, and 100 to 120 mg should be added per kilogram of feed. The shortage of vitamins will affect the production. The peak period of egg production for laying hens needs vitamin A1 and D3 supplementation. E.
Second, poor quality of broiler chicken: 1 body weight can not reach the standard. Mainly in the breeding period, due to poor feeding and management, often stop feeding, stop water, poor feed quality. 2 Some are overweight. The main reason is that the feeding method is not scientific. 3 Chickens of different sizes and different batches of chickens are kept together, resulting in inconsistency in laying time.
Third, the impact of light: the peak season of egg production light should be stable throughout the day 16 to 7 hours (including sunshine). The duration of light hours is short, and frequent blackouts, irregular opening and closing times, etc. all affect the formation of egg production peaks.
Fourth, the impact of stress: changes in feeding time, often changing the feed formula or variety, stop feeding water, resulting in falling eggs, increased egg breakage, high temperature or low temperature effects.
Fifth, the impact of the disease: Before the peak, chickens most vulnerable to infection with the white chicken Liberation and production of egg dropping syndrome, fatty liver syndrome, etc., can directly or indirectly affect the emergence of laying hen peak period.
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