The feed cost of layer chickens usually accounts for 60%-70% of the total expenditure, and the amount of feed waste accounts for about 3%-8% or even more of the total consumption of feed, which is more than 10%. Therefore, conservation of feed can significantly improve the economic efficiency of laying hens.
First, the selection of breeder chicken laying hens should use a small body weight, high feed utilization varieties; the same species is moderate weight. The same amount of eggs is produced, and large-sized chickens consume more material than the smaller ones.
Second, the implementation of cage cage culture due to a stable environment, a small amount of activity, as well as a large breeding density, reducing the amount of heat, so the corresponding reduction in food consumption. It is estimated that the ratio of cages to rearing can generally save 20% to 30% of feed.
Third, the implementation of protection and feeding the most suitable chicken eggs for the Sherwin to 13-21 °C. In winter, the house temperature is lower than 8°C, and every 100 chickens eat 1.5 kg of feed each day, and the egg production rate is decreased. In summer, the chicken feed intake is reduced, but the egg production rate is also reduced. Therefore, protective measures should be taken in production, summer heatstroke should be taken care of, and warmth should be warmed up in winter to provide suitable environmental conditions for the growth and development of chickens, which is conducive to prolific egg production and saving feed. According to experiments, the chicken house temperature was appropriately increased in the winter, and each chicken could save 3.1 grams of excess protein per day.
Fourth, the good feed should not be fed with mildewed feed, to ensure the full price of feed nutrition, because the feed is not the most comprehensive nutrition is a waste. Feed crushing can not be too fine, otherwise it will easily lead to feeding difficulties and waste of “dust†flying.
Fifth, the use of alternative materials Protein feed, especially fish meal, is expensive, with some cheap insects, cockroaches, local fish, shrimp, meat processing by-products, fish waste, powder residue, sugar residue, bean curd residue, vinasse Such as, after appropriate processing and modulation to replace part of the protein feed to feed chickens, can greatly reduce the cost of feed.
6. Use of Feed Additives The use of additives can increase the utilization of protein feeds and also help reduce feed costs. According to reports, adding 0.1% methionine to common feed can increase the utilization of feed protein by 2%-3%; adding lysine can reduce 3%-4% of feed crude protein; add vitamin B12 and other feeds. Additives can also increase the utilization of crude protein in feed.
7. Adding grit to the grit every week to feed grit once and for a time will help grind the feed in the stomach and stomach, help digestion and absorption, and increase the digestibility of the feed by 3%-8%.
Eight, to improve the feed structure of chicken feed material, it should be the bottom tip, belly, mouth small. Because of the large amount of material contained in this kind of material, chickens do not easily pull out the feed, so that the chicken can eat the net leftovers. As regards the height of feedstuffs, the main criterion for chickens to eat freely should be adopted. The amount of material added to the feed should not be too full. Generally, it should be handled at 1/3 of its height. Otherwise, it will be easily thrown and wasted. According to reports, when feed is added to 2/3 of the material, 12% of the feed is wasted and it is wasted at 1/2. 5%, wasted 2% when added to 1/3.
9. Ensure sufficient drinking chickens consume 340 ml of water per egg; if there is water shortage during egg production, egg production can be reduced by 30%.
X. Timely deworming If there are parasites on chickens, the nutrients converted by the feeds eaten by chickens will be absorbed by the parasites, causing the consequences of “seemingly raising chickens, but actually keeping them upâ€. Therefore, chickens should generally be repelled once in 30-60 days.
+ First, the timely elimination of cock cocks generally eats 20%-25% more feed than hens. Therefore, excess cocks should be eliminated in a timely manner; breeder chickens should be kept at a ratio of 1:15 for males and females; 1:20 is appropriate.
XII. Elimination of low-yield hens Chickens often have 10% to 30% of low-yielding chickens. The elimination of low-yielding chickens does not result in a significant reduction in egg production, but it can greatly save feed.
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