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Puberty Defining - Anatomy & Physiology (view source)
Revision as of 14:51, 4 September 2008
, 14:51, 4 September 2008→Age when Spermatozoa First Appear in the Ejaculate
* To determine when spermatozoa first appear, the ejaculate must be collected at least once per week.
* To determine when spermatozoa first appear, the ejaculate must be collected at least once per week.
** Easy to collect using an artificial vagina from the the boar, bull, dog, ram or stallion.
** Easy to collect using an artificial vagina from the the boar, bull, dog, ram or stallion.
* After behavioural characteristics have developed and the male is willing to mount a receptive female/surrogate, frequent seminal collection is possible.
* After behavioural characteristics have developed and the male is willing to [[Reproductive_Behaviour_-_Copulatory_Behaviour_-_Anatomy_%26_Physiology#Mounting|mount]] a receptive female/surrogate, frequent seminal collection is possible.
** Enables determination of the age at which spermatozoa first appear in the ejaculate.
** Enables determination of the age at which spermatozoa first appear in the ejaculate.