Why egg hens produce no yellow eggs
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No yellow egg or small egg, small egg, egg shape is very small. The difference between the size of the egg and the normal egg is very different. It is only about the size of a pigeon egg and a quail egg, which is about 1/10 of that of an ordinary egg. Some of the eggs are too long or too round at the beginning, and they are normal, usually lacking an egg yolk. First, the reason is actually due to foreign objects such as shedding of mucous membranes, small clot (due to follicular hemorrhage during ovulation), worms in the intestine (sometimes also accidentally moving upwards to reach the fallopian tube) fall into the fallopian tube, stimulating The secretory part of the fallopian tube and the uterus secrete proteins and eggshells and wrap around the foreign material, thus forming a yellowish egg with no yolk. This is not a disease but merely a coincidence. The yellowish egg is usually an egg, and the egg is not necessarily yellowish. Sometimes it is found that the protein in the egg is surrounded by a portion of the egg yolk. The egg that has the yolk is when the yolk matures, the hen is frightened and flies. Some of the mature yolk fall into the abdominal cavity, and the other falls into the fallopian tube, so that a small amount of egg fragments are also associated with the normal egg, and can stimulate the secretion of protein in the fallopian tube, thus forming a small egg with a small amount of egg yolk. If you rarely have this abnormal egg, it may be due to narrow or blocked oviposition. Second, prevention and control If there is a considerable number of soft shell eggs in the entire laying hens, indicating calcium deficiency in feed, calcium glucose should be fed, can immediately improve the formation of eggshell, egg production that is back to normal. Then some calcium-rich mineral feeds, such as eggshell powder, shell grain, bone powder, calcium carbonate powder, etc., should be added, and the feed mix ratio should be improved. The correct amount of calcium is given: 0.9% before laying, 2.7% when opening, and 2.25%-3.75% for high-yield and breeder chickens. In summer, the amount of calcium in feed is increased to 4 due to high temperatures and low feed intake. %. Sooner or later, the hens should be exposed to sunlight, or a small amount of cod liver oil should be added to feed to supply vitamin D and promote the body's absorption of calcium.