Uniform-crowning high-egg-yield laying hen nutritional set feed application method and feed thereof

Abstract

The invention discloses a uniform-crowning high-egg-yield laying hen nutritional set feed application method and feed thereof, and belongs to the field of feed compositions and feeding. By repeated demonstrations and laying hen laboratory screening, the feed mainly comprising corn, wheat, corn gluten meal, soybean meal, sunflower seed meal, corn by-products, soybean oil, enzyme preparations, microbial preparations, vitamin E, organic selenium, organic chromium, organic zinc and the like is developed. The set feed is divided into two stages, one ranges from crowning period 16 weeks to 2% laying rate, the other ranges from early laying peak with 2% laying rate to 28 weeks, nutritional levels designed for the two stages are different, the two stages have certain differences in raw materials, requirements for reproductive organ development, weight growth and high egg yield are met sufficiently, and the average egg weight in 28 weeks is 61.3 grams and is 3.03% higher than the average; laying rate reaches above 95%; egg yield is increased from 48.2grams/per egg/per day to 50.1grams/per egg/per day; death and culling rate of the stage from 16 weeks to 28 weeks is decreased to 0.75%; every hen lays three more eggs; and more economic benefit of 18,000 RMB is created by 10,000 hens.

Description

technical field [0001] The invention belongs to the field of feed composition and feeding, and in particular relates to a feed composition and a feeding method for promoting the development of reproductive organs and weight gain of laying hens (16-28 weeks old). Background technique [0002] Commercial laying hens have special physiological characteristics such as rapid weight gain and rapid development of reproductive organs at the age of 16-28 weeks. There is a period of physiological anorexia and insufficient feed intake, while egg production growth, weight gain, and rapid maturation of reproductive organs require high nutrition. , resulting in a huge stress response, leading to five major problems: [0003] First: Get sick as soon as you reach the peak (insufficient nutritional reserves); [0004] Second: As soon as the egg production peak feed is replaced, the chickens start to have diarrhea. The drug improves, but the drug is stopped, and it is difficult to cure. As ...

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Problems solved by technology

[0005] Third: the peak is slow, the peak is not lasting, and the egg weight is not ideal (adjustment, reserve);

[0007] Fifth: Inexplicable death (development, reserve), great stress, high death rate

[0009] At present, the peak laying hen feeds for laying hens on the market are basically feeds for laying hens starting from 16 weeks old to 72 weeks old, and the stages are not divided carefully. Due to the high calcium level, the first-laid hens have severe diarrhea; they do not meet the needs of the special physiological stages of the laying hens before laying and at the peak, resulting in huge hidden losses in the chicken farm, which are manifested in the high death rate, low egg production, and feeding The cycle is short, and some will be eliminated at 65 weeks of age

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