estral cycle


Also found in: Medical.
Related to estral cycle: estrous cycle

estral cycle

n.
The estrous cycle.
References in periodicals archive ?
As female dogs are not induced ovulators, the progesterone is secreted during the whole estral cycle contributing to the pathogenesis of this disease (NELSON & COUTO, 2001; HEDLUND, 2005).
Another solution that reduces the number of experimental individuals involves increasing the likelihood that mating will occur when a reproductively active female is paired with a proven male by precisely determining the estral cycle stage by measuring vaginal wall impedance.
CUADRO 1 Duracion del ciclo estral en Agouti paca en diferentes esquemas de muestreo sanguineo TABLE 1 Estral cycle duration in Agouti paca in different times of blood sampling No.
The rationale for choosing these schedule of plant administration was that for males, the period of spermatozoon maturation is about 60 days and for females, we derived an exposure for a minimum of eight estral cycle periods (each estral cycle is 4 days).