How to improve eggshell quality with cod liver oil and calcium

Influenced by temperature and ultraviolet radiation, the activity of virus is limited in summer, but the higher temperature leads to the decrease of feed intake of chickens. When the feed intake decreases, the intake of energy and protein decreases accordingly. At the same time, the concentration of digestive enzymes in intestine decreases due to the increasing water intake. And the time of chyme passing through digestive tract shortens. The digestibility of nutrients, especially most proteins.

When chickens suffer from the heat stress, the reducing of feed intake will result in insufficient calcium intake. As a result, the eggshell quality decreased rapidly (a large number of broken eggs and soft eggs appeared). In addition, because the eggshells were formed at night, if the calcium intake of chickens could not meet the demand, the chickens would use blood calcium to help the eggshell forming. While the blood calcium decreased to a certain level. Hypocalcemia symptoms happens – paralysis and even cause death.

Because of the high temperature in summer, the feed intake of chicken is low. Which cause the low intake of calcium and phosphorus. In addition, the high temperature inhibits the absorption of minerals. Some laying hens with good production performance have to use the calcium in bones to maintain the egg production, thus cause paralysis.

For laying hens, the daily calcium requirement is at least 3.734 g per day. In order to allow the chicken to absorb enough calcium, farmers use cod liver oil as a kind of supplement to promote the absorption of calcium in the feed. Vitamin D3 is a hormone precursor that acts on calcium and phosphorus metabolism. It can improve the absorption of calcium and phosphorus, ensure the normal growth of the body and bone calcification.

The feed has enough calcium and even extra calcium and cod liver oil. Why the quality of eggshell is still not good? This is because the liver function is not good. Cod liver oil is a fat-soluble substance, and vitamin D is also a fat-soluble vitamin. In the case of poor digestion and absorption of fat, even if add more cod liver oil and Vitamin D, chickens can not digest and only waste it.

Therefore, protect the liver is an very important thing when raise chickens. The healthy liver can promote the digestion and absorption of fat-soluble substances. Lachance bile acid, a new type of feed additive of poultry liver protection, fat digestion and absorption promoter. It can help fat utilization and the fat-soluble substances can be absorbed by the body together with fat.

It not only keeps chicken away from fatty liver, but also can improve the quality of eggshell and reduce the addition of fat and cod liver oil. It seems that the cost of additives increase, actually saves money for treating liver diseases, adding fat, cod liver oil and bring more benefit for improving eggshell quality.