Quick Answer. According to The Free Dictionary, etiology, also spelled aetiology, is the study of exploration of the cause or factors contributing to something. In pathology, it specifically denotes the investigation into the cause or origins of a disease. Continue Reading.
Pellets deliver consistent, healthy levels of hormones for 3-4 months in. women and 4-5 months in men. They avoid the fluctuations, or ups. and downs, of hormone levels seen with every other method of delivery.
The female is polyestrus, with the estrus lasting 4-5 days. The length of estrus can vary considerably depending on a number of factors. Males are able to breed at any time after puberty. Estrus can be detected by performing a vaginal swab or lavage and examining cells microscopically.