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Layer breeding management knowledge

Egg layers period of physiological characteristics

1) hormone secreted exuberant; 2) reproductive system XieJiang generation, the light sensitive; 3) resistance is low; 4) nutrient metabolism rate is high

Egg layers period feed nutrition basic requirements

1) before the egg to rate 5% (19-25 ZhouLing) layers when, in laying before in nutrition to continue growth period. At 20 ℃ environment conditions, only if every day to feed 3 l0-320 kilocalorie metabolic energy, crude protein 16 g, calcium 2.5-3 grams, egg production to meet before the nutritional requirements, to prepare for laying peak arrival play good foundation, so do not ignore the phase of the feeding.
2) rate 10% to lay eggs peak feeding (26-44 ZhouLing), each hen every need to rich nutrition, every choice 115 grams, material contains coarse protein 19-20 grams, calcium 4.2-4.6 grams, of which 50% calcium to shell is given priority to, in every afternoon feeding effect is good.
3) laying peak trophic level can't literally change, by the high trophic level with egg laying peak physiological need, to make egg laying duration long. Meanwhile, attention should be paid to the hen weight change, this stage than weight allowed to open early production weight high 1 5% advisable, prevent us from getting too fat or too thin.
4) egg after the peak of feeding (60-72 ZhouLing), this stage appear rate drops slowly, when laying rate less than 80% after, in diets for coarse food grain protein 16% one 15%, keep the original calcium content and, when necessary, reduce feed quantity, prevent fatty chickens.

At the beginning of the layers of time raising (150, - 223 days) the matters needing attention

This stage is the key period of breeding layers, as most by layers not lay eggs state, suddenly into the egg stage, hormone secretion is not stable, resistance drop often appear produce deformity eggs, with blood eggs, etc., and if improper feeding and management, but also often sudden death, because this wants to every 10-15 age use pass to or egg inflammation disappear spirit stilbene vitality d it drink once, can avoid this kind of death, in addition because rate of straight up, the corresponding feed nutrition including protein level and calcium phosphorous balance, to adjust high nutritional requirements.

The breeding of high yield layers period (224, - 363 days) the matters needing attention

This stage is the breeding of layers of the highest benefit period, this stage the key to breeding including three aspects. Promote high yield, high yield and extend the period, to reduce the death rate of tao. Feeding should be done in the following aspects requirements:
1) adjust feed: according to the variety requirements, the feed protein level set to 5% higher than the level of demand levels, and summer to increase 5%.
2) pay attention to supplement of calcium and calcium balance, egg laying period of calcium need high than phase 3, 4 times, high yield period calcium phosphorous balance ratio is 5.5:1.
3) pay attention to the content of vitamin, especially the fat soluble vitamin easy oxidation, are more likely to lack, should be in summer in drinking water plus spirit stilbene vitality d it or life source (every 25 to 30 days), the whole stir in laying abundant, can be long-term use.
4) reduce stress: feed to stable, try not to give or take an injection, insecticide, broken material, off the water, electricity, stop light, high temperature, indoor harmful gas exceeds bid.

Egg layers in the late management (364, - 500 days) the matters needing attention

This stage, the rate of 10 to below 80%, due to the egg layers performance is reduced, the need for protein reduced, feed the excess energy become fat, fatty layers easily, so chicken rate decline l weeks after lower protein and energy level. Another time due to end part of the low rate of layers or suspend production, so must do out work, must want to obtain higher economic benefits, must be eliminated in time and make final perinatal period average rate remain at around 80%. In laying peak began to decline, half a month in advance to lay eggs abundant, can make the rate in a long time to keep more than 80%.

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