What should be paid attention to when adding additives to laying hens?

1 When oxytetracycline is added as a growth promoter or an antibiotic for treating diseases, it cannot be added simultaneously with cyanine, streptomycin and calcium carbonate. Because the aqueous solution of oxytetracycline is strongly acidic, it can destroy green and streptomycin, while the aqueous solution of calcium carbonate is strongly alkaline, which in turn destroys oxytetracycline. Jd3 China Feed Industry Information Network - based on feed, serving animal husbandry

2 It is not because hens must add methionine, which is a illusion of meaning. Because the laying hens of the laying hens are almost all based on corn + bean cake + imported fishmeal. Although the content of lysine and methionine in corn is insufficient, soybean cake and imported fish meal are rich in lysine and methionine. Therefore, when the crude protein content in the layer feed reaches a standard level, methionine and lysine are generally not deficient. If it is indeed required to add methionine, it is best to add lysine at the same time. Jd3 China Feed Industry Information Network - based on feed, serving animal husbandry

3 After laying the laying hen, it is best to add some choline to the feed. However, care must be taken not to add water-soluble vitamins and bone meal or calcium hydrogen phosphate. Because choline is easily soluble in water and alkaline, it has a destructive effect on water-soluble vitamin C and vitamin B. Calcium and phosphorus are easily absorbed only in an acidic environment. Jd3 China Feed Industry Information Network - based on feed, serving animal husbandry

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