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egg (eg) ovum.
egg [eg] Etymology: ONorse a female reproductive cell at any stage before fertilization. After fertilization and fusion of the pronuclei, it is called a zygote. Also called ovum. egg 1. an ovum; a female gamete. 2. an oocyte. 3. a female reproductive cell at any stage before fertilization and its derivatives after fertilization and even after some development. 4. hen egg, consisting of a blastodisk, remnant of the nucleus in a mass of white yolk sitting on top of the yellow yolk, the yolk suspended by two twisted strands of mucin-like protein, the chalazae, from the two poles of the egg, two yolk membranes that separate the yolk from the albumen, the albumen or white of the egg, which is in four separate layers of liquid and jelly material, two thin shell membranes and an eggshell. See also avian oogenesis. 5. helminth egg. egg bound a disease of cage birds, birds in zoological collections and in fish. In birds the hen may show pain and be straining and the egg may be palpable. The syndrome is comparable with dystocia in a viviparous animal. In fish the only sign is the wrinkled, shriveled eggs. egg count counting of helminth eggs as an estimate of the parasite status in the animal or group. Flotation techniques and special counting chambers are used. The results are expressed as eggs per gram (e.p.g) of feces. egg dipping dipping of hatchery eggs in antibiotic solutions, especially erythromycin or tylosin, to prevent the transmission of infections from adults to chickens. egg drop syndrome first observed in 1976 the disease is caused by an adenovirus and characterized by the hens laying a reduced number of thin-shelled or shell-less eggs. Subsequently the egg yield is reduced. egg eating a vice which begins without apparent reason. A high rate of egg breaking in the unit encourages birds to begin. Many techniques are used in prevention but frequent egg removal is essential. grader egg a reject from those destined for household use; used in petfood manufacture. egg heating heating eggs in a hot-air incubator for 12-14 hours to reduce the transmission of infection on the egg exterior. egg peritonitis see egg peritonitis. egg retention see egg bound (above). egg shell secreted around the egg mass and membranes during its last 15 hours in the uterus; composed of calcium carbonate and a glycoprotein matrix; surrounded by the cuticle. thin-shelled egg occurs in egg drop syndrome (see above), DDT poisoning. The shell of the egg is very thin, often missing altogether. egg tooth the additional tip to the beak in birds that is used by the hatching chick to peck out the circular hatch of shell to allow it to emerge. The egg tooth drops off in a few days. Called also bean. egg transmission transmission of disease from hen to chicken and between chickens via infection in the egg, e.g. Mycoplasma gallisepticum, M. meleagridis. egg white injury the effects of biotin deficiency induced by feeding of raw egg whites (albumen). The factor responsible is avidin which binds biotin, preventing absorption. egg yield in domestic fowl the normal annual average over a large, national population is about 130 eggs per bird; good units average 200. egg Parasitology A fertilized gamete which may give rise to an adult. See Chicken footprint egg Reproduction medicine A female reproductive cell, also called an oocyte or ovum. Patient discussion about egg white injury. Q. My Sister has Diarrhea for 3 days is it Salmonella? My Sister and I went out to a Chinese restaurant last week to celebrate my Birthday. A couple of days later my Sister became ill and has stomach aches and diarrhea. Is it Salmonella? A. If the illness was caused by eating in the restaurant, then it could be Salmonella or food poisoning. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but all foods, including vegetables may become contaminated. Many raw foods of animal origin are frequently contaminated, but fortunately, thorough cooking kills Salmonella. Food may also become contaminated by the unwashed hands of an infected food handler, who forgot to wash his or her hands with soap after using the bathroom. Q. How can I catch Salmonella? Yesterday I ate a mousse which was made from raw eggs. Could I have caught Salmonella? A. Salmonella infections usually resolve in 5-7 days and often do not require treatment unless the patient becomes severely dehydrated or the infection spreads from the intestines. Persons with severe diarrhea may require rehydration, often with intravenous fluids (IV). Antibiotics are not usually necessary unless the infection spreads from the intestines. Q. Is there any difference between brown eggs and white eggs? My fitness instructor suggested me to have brown eggs instead of white eggs so is there any difference between brown eggs and white eggs? A. I have to agree with you. Never heard of any difference between the two and it doesnt sound reasonable that one is better to your health than the other... Read more or ask a question about egg white injuryHow to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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