Why do chickens lay soft eggs? How to solve it?

Laying hens need a lot of calcium to form eggshells, and a lack of calcium will produce thin-shelled soft-shell eggs. 3 4 shell powder or high-quality lime and stone crushed grains must be added to the compound feed, or snails, eggshells, and bones must be mashed and fed to chickens to supplement calcium and phosphorus deficiency, and the effect is good.

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The main component of the eggshell is calcium carbonate, in the hen's food, it needs to contain a lot of calcium, if the food is lacking in calcium or vitamin D, or due to the reaction after the injection of chicken plague vaccine, or because the chicken is frightened after the peristalsis of the fallopian tubes is strengthened, the egg shell does not have time to form and is produced, etc.

The main component of the eggshell is calcium carbonate (calcium carbonate), which accounts for about 91% 95% of the whole eggshell mass, and its calcium-containing components are the same as pearls, oysters, beef bones, and small dried fish, which is good for calcium. In addition, the eggshell still contains about 5% magnesium carbonate, 2% calcium phosphate and gum.

Nutritional value of eggs.

1. In the field of nutrition, eggs have always been crowned as "complete nutritious food". It is one of the highest quality and most natural supplements with a high protein content.

2. In addition to breast milk, the protein composition in eggs is closest to that of the human body, and the absorption rate is even better than that of milk, meat and soybeans;

3. Eggs contain precious lecithin, which can help lipid metabolism and help reduce blood lipids;

4. The fat in egg yolk is mainly monounsaturated fatty acids, more than half of which is the main ingredient in olive oil - oleic acid, which is beneficial to the prevention of heart disease;

5. Eggs are rich in fat-soluble vitamins, including vitamins A, D, K, etc., which are essential for human health.

6. Brain health and intelligence. Lecithin, vitelline, etc., in egg yolk, have a great effect on the nervous system and physical development. When lecithin is digested by the body, it releases choline, which promotes brain development and improves memory.

7. Protect the liver. The lecithin in egg yolk can promote the regeneration of liver cells and enhance the body's metabolic and immune functions.

8. Prevent cancer. Eggs contain more vitamin B2, as well as minerals such as selenium and zinc, which have anti-cancer effects.

The soft eggs laid by chickens are mainly caused by calcium deficiency, improper ratio of calcium and phosphorus in the diet, vitamin Zen D deficiency or allergic factors such as salpingitis and viral diseases.

1. Laying hens lack calcium

Eggs are formed in laying hens mainly by calcium carbonate and calcium phosphate covering the original eggs to form an egg shell, if the laying hen lacks calcium, the calcium in the body is insufficient will be difficult to form an egg shell, resulting in the egg is a soft shell.

2. The ratio of calcium and phosphorus in the laying hen is improper

If there is more calcium than phosphorus in the body of laying hens, or more phosphorus than calcium, it will affect the quality of the eggshell and the health of the laying hens, so that the chickens will lay soft eggs.

3. Lack of vitamin D

The lack of vitamin D in laying hens will affect the absorption and metabolism of calcium and phosphorus, resulting in small eggs, thin shells, soft shells and other conditions.

4. Disease **

Laying hens suffering from inflammation of the oviducts will be prone to soft shell eggs and blood on the surface of the eggshell. Chickens infected with viral diseases will not eat, nutrients will not be absorbed, and the eggs produced will also be soft-shelled.

How to treat chickens and lay soft eggs

1. Feed eggshell powder and shell powder

Chicken raw soft shell eggs may be caused by insufficient calcium added to the feed, if the calcium content of the feed is less than 3%, can not meet the needs of chicken synthetic eggshells, the light soft shell eggs, serious will affect walking, so to give chickens calcium, calcium supplementation can be fed eggshell powder, shell powder is better, stone powder second. Among them, the advantage of eggshell powder is that the absorption and conversion rate is fast.

2. Add baking soda

The high temperature season will have an impact on egg production, when the average temperature of the house exceeds 26, you can bridge the baking soda added to the feed to avoid the summer stress to produce soft-shelled eggs. When the ambient temperature of the chicken coop exceeds 32 and the relative humidity reaches more than 70%, the amount of baking soda can be added according to the addition, that is, 125g of baking soda can be added to 100 kg of feed.

3. Supplement sand grains in the feed

The lack of sand in chicken feed is also one of the important reasons why chickens produce soft-shell eggs. Sand grains can not only promote calcium absorption and thicken the egg skin, but also grind food, shells and trace elements into milky form, which can promote absorption, promote the growth of chickens, and do not produce soft-shell eggs.

4. Supplement cod liver oil

At the same time, cod liver oil can be supplemented, and now concentrated cod liver oil is a good choice. Regarding the addition of cod liver oil, you can choose Longxiang strong cod liver oil, 100g bag can be fed to 600 adult laying hens, can be supplemented once a month, for 7 days, can greatly reduce the calcium and phosphorus malabsorption, resulting in the production of soft shell eggs.

5. Avoid excessive mycotoxins

To avoid the production of soft-shell eggs, pay special attention, cod liver oil, baking soda, and the addition of grit, not only pay attention to the addition of calcium, but also pay attention to whether the feed exceeds the mycotoxin standard, and whether the water quality is too salty caused by the soft-shell eggs.

The reasons why chickens lay soft eggs are as follows:

1, laying hens lack of calcium: eggs in the laying hen body formation is mainly by calcium carbonate and calcium phosphate covered on the original egg to form an egg shell, if the laying hen is deficient in calcium, the calcium in the body is insufficient will be difficult to form an egg shell, resulting in the production of eggs is a soft shell.

2. Improper ratio of calcium and phosphorus in laying hens: if there is more calcium than phosphorus in the body of laying hens, or more phosphorus than calcium, it will affect the quality of eggshells and the health of laying hens, so that chickens lay soft eggs.

3. Lack of vitamin D: The lack of vitamin D in laying hens will affect the absorption and metabolism of calcium and phosphorus, resulting in small eggs, thin shells, soft shells and other conditions.

4. Disease **: laying hens suffering from oviduct inflammation will easily appear soft-shelled eggs and blood on the surface of the eggshell. Infected chickens will not eat, and the eggs produced will also be soft-shelled.

Treatment measures for soft pants and quivering rock eggs under chickens:

1. When chickens appear soft-shell eggs, we should pay attention to scientific feeding, timely calcium supplementation for chickens, let chickens live in a quiet environment with suitable temperature (5 to 22) and humidity (55% to 70%), pay attention to biosecurity prevention and control, regular disinfection, improve immunity, and reduce the incidence of salpingitis.

2. On the market, there are some additives for soft-shell eggs, and you can choose formal and appropriate safety additives, which can help chickens improve the situation of raw soft-shell eggs.

3. If you want to prevent chickens from laying soft eggs, you need to choose according to the age, variety, type and weight of the chicken. Chickens can be fed full price mixed feed to meet their needs for various nutrients, and an appropriate amount of shell meal, eggshell meal, bone meal, cod liver oil, etc. can also be supplemented separately.

The reason for the chicken's soft-shell eggs is the lack of calcium or vitamins, which cannot meet the needs of the chicken body to synthesize the eggshell, and it is necessary to control the composition of the eggs according to the chicken's weight, feed volume and egg production.

Laying hens are fed egg concentrate 1-2 weeks before egg laying, and adjusting the concentrate feed to be weakly alkaline is conducive to eggshell production. Too high or too low a temperature can also cause chickens to lay soft-shell eggs, and the optimal temperature is 13-25 for hunger.

If you want to prevent chickens from laying soft eggs, you need to feed chickens full price mixed feed according to their age, breed, type and weight, etc., to meet their needs for various nutrients. You can also supplement an appropriate amount of shell powder, eggshell powder, bone meal, cod liver oil, etc. separately.

In the market, there are some additives for the production of soft shell eggs, and you can choose the appropriate safety additives, which can help chickens improve the condition of raw soft shell eggs.

Maintenance of chickens

Chicken coop to build a good lounge, ready trough, trough, temperature control facilities, conducive to promoting the healthy growth of chickens, chicken coop can choose to build in convenient transportation, leeward, sufficient light, convenient drainage and irrigation.

Chickens in the breeding process, need to strengthen the management of feeding, regularly disinfect the chicken house, and do a good job of ventilation, in the process of feeding, pay attention to not feed spoiled feed and drinking water, breeding to plan the breeding density.

When breeding chickens, it is necessary to often observe the growth of chickens, when it is found that there is an abnormality, it is necessary to isolate it in time, and then check the specific situation, and then carry out the symptomatic ** to avoid infection to other healthy chickens.