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Make an Appointment We will do our best to accommodate your busy schedule. Such multiple mating raises questions about mate choice, sperm competition, and genetic paternity of the offspring. The morphology, or appearance, of the sperm is also very important. Genome size evolution within and between the sexes. Laser Surgery for Pets! This prediction does not always hold, however, because sperm storage has been demonstrated in some densely aggregating species, and in any case mate limitation is unlikely to be a problem for any but the most dispersed and least motile of species. For a more comprehensive treatment of sperm competition in reptiles, see Olsson and Madsen

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Stud Dog Evaluation

However, data from literature are contradictory as in some studies no significant difference was found between precervical and transcervical insemination using frozen thawed semen Rota et al. Chris will perform a semen analysis. In fact, you and your pet may share more diseases than you may realize. The fertilization capacity of chilled semen decreases progressively, and it may be difficult to estimate the time after which the use of a certain semen portion may become unpromising, as after 5 days of storage motility may be still high, when fertilization capacity has considerably decreased Tsutsui et al. Mating system of Caribbean leatherback turtles as indicated by analysis of microsatellite DNA from hatchlings and adult females. This prediction was borne out by recent genetic data in painted turtles showing that for each of two females with appropriate clutches, stored sperm had fertilized a portion of the second clutch, whereas the first clutch was fertilized entirely by newly acquired sperm Pearse et al. The whole sperm rich fraction may be extended and used as one dose.

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