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Sexual Reproduction
Reproduction
Term | Definition |
---|---|
Progeny Testing | A test of the value for selective breeding of an individual's genotype by looking at the progeny produced by different matings. |
Donor Cows | A cow that is of unusual value as a breeding animal. |
Sperm | Male sex cells. |
Extenders | An added ingredient used to increase the bulk of a food. |
Estrous Cycle | The recurring reproductive cycle in many female mammals, including estrus, ovulation, and changes in the uterine lining. |
Straws | Dried stalks of grain, used especially as fodder or as material for thatching, packing, or weaving. |
Artificial Vagina | A rigid tube that is used to collect semen for artificial insemination. |
Follicle Stimulating Hormone | A hormone secreted by the anterior pituitary gland that promotes the formation of ova or sperm. |
Luteinizing Hormone | A hormone secreted by the anterior pituitary gland that stimulates ovulation in females and the synthesis of androgen in males. |
Sire | The male parent of an animal. |
Motility | The ability to move spontaneously and actively, consuming energy in the process. |
Artificial Insemination | The injection of semen into the vagina or uterus other than by sexual intercourse. |
Embryo Transfer | Embryos are placed into the uterus of a female with the intent to establish a pregnancy. |
Quarantine | A state of isolation in which people or animals have been or can be exposed to infectious or contagious disease. |
Hormones | A regulatory substance produced in an organism and transported in tissue fluids to stimulate specific cells or tissues into action. |
Superovulation | Marked by the production of more than the normal number of mature eggs at one time. |
Dam | The female parent. |
Corpus Luteum | A hormone-secreting structure that develops in an ovary after an ovum has been discharged but degenerates after a few days unless pregnancy has begun. |
Follicle | The sheath of cells and connective tissue that surrounds the root of a hair. |
Semen | |
Sperm Sexing | |
Protectant | A substance that provides protection against diseases. |
Ejaculation | the discharge of semen from the reproductive tract of the male. |
Gonadotropin Releasing Hormone | A hormone that causes a female to come into estrus. |
Recipient Cows | |
Flow Cytometer | A device that separates the sperm into different tubes according to the amount of light given off. |
Conception | The beginning of gestation; when a sperm fertilizes an ovum. |