Egg sheller manufacturers explain the causes of deformed eggs
Insufficient calcium, phosphorus, and vitamin D can cause a significant reduction in eggshell formation. Copper deficiency can cause eggshell membrane defects, affecting subsequent calcification on these eggshell membranes, leading to the production of wrinkled eggs and malformed eggs. Excessive magnesium affects the normal metabolism of calcium, resulting in thinner eggshells and softer bones. Malformed eggs cause great losses to breeder production, find the cause of malformed eggs, focus on preventing diseases during production, reduce various stresses, and can also feed full price feed. Can control the production of malformed eggs. Insufficient nutritional factors are just one possibility that leads to malformed eggs. When the proportion of malformed eggs is large, we can consider nutritional factors, but if there are only a few malformed eggs, we should consider more factors.
High-density stress, heat stress, noise, and strong light shock can cause hens to reproduce during the same period. The normal period of reproduction is to lay an egg every 26 hours, resulting in disturbances in the breeding cycle. Stress promotes the release of corticosteroids in chickens. This hormone transfers some nutrients from egg production, changes hormone balance, reduces food intake, and promotes muscle and bone breakdown. Flocks often under stress have low immunity, light body, and low egg production. Many common defects on the surface of eggshells are the result of intense stress (eg, fright) as the eggs pass through the eggshell glands. "Calcium spots", "flower shells" and "chalk-like eggshells" are caused by excessive calcium salt deposition at the last minute.
Stressed laying flocks tend to produce thin-shelled eggs. This is caused by the disorder of acid-base balance caused by asthma (excessive breathing). Because the chicken's asthma causes excessive loss of carbon dioxide in the lungs, the reduction of carbon dioxide in the blood can lead to a blood pH Alkaline, which reduces the amount of free calcium in the blood, the egg shell glands do not have enough calcium to deposit egg shells. In this case, even increasing the calcium content in the diet will not solve the problem.
However, short-term stress will not allow chickens to consistently produce malformed eggs, and the eggshell quality will recover after a period of time.
Chickens infected with diseases such as infectious bronchitis, chicken Newcastle disease, and egg drop syndrome can cause structural damage to the inner surface of the fallopian tubes. The damage to these cells leads to the production of water-like proteins and eggshell problems. Chicken Newcastle Disease and Chicken Infectious Bronchitis Virus initially infect the respiratory system. After infecting the respiratory system, it enters the blood one or two days and reaches the ovary and fallopian tube with the blood flow. The virus reaches the ovary, which can soften, deform, and stain blood spots. Entering the abdominal cavity, causing egg-linked peritonitis, the virus reaches the enlarged part of the fallopian tube, the surface cell structure is damaged, the secretion of protein is affected, the egg white becomes thinner, the normal protein "expansive part" disappears, causing the egg white to become lumpy and narrow in the fallopian tube The eggshell membrane covering the egg white produced inside the body also became shrunk, and the eggshell covering the outer layer of the eggshell membrane also shrank, thus forming a wrinkled shell egg.
The virus reaches the isthmus of the fallopian tube, which changes the cell structure of the isthmus. If the isthmus is too thick, the egg shape is round. If the isthmus is too thin, the egg shape is long. When the fallopian tube contracts abnormally, sharp, flat eggs at both ends will be born. The virus reaches the fallopian tube uterus and causes damage to the cells in the egg shell gland. The color of the brown shell egg shell disappears, producing thin shell eggs, soft shell eggs, and a thick shell egg. This is because the role of the egg shell glands is to transport mineral salts to the eggs. Shell membrane and synthesize eggshell pigment.
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