anestrus

Prevalent serovars, for instance Pomona, Icterohaemorrhagiae, Tarassovi, Canicola, and Bratislava (SOBESTIANSKY et al., 1999) cause embryo loss, anestrus, abortion, dystocia, reduced litters, fetal mummification, stillbirths, and runt piglets (EDWARDS, 1979).

This earlier appearance of the corpus luteum (CL) in OC, even before the first observed estrus, indicates the exit of the postpartum anestrus, presenting a silent ovulation without estrus.

In relevant to above discussion there might be chances of same factor of anestrus in crossbred animals in the Punjab.

Previous studies suggested that unbalanced nutrient intake caused several common reproductive problems, such as an increase in the interval from weaning to estrus [13], an increased incidence of anestrus after weaning, and a decreased conception rate [14].

Next to repeat breeding, anestrus and post partum metritis were the most common reproductive disorders in dairy cows.

It is well-known that Bos indicus cattle raised under tropical conditions show prolonged calving intervals [8, 9], which are attributed to long periods of postpartum anestrus [10].

Silverman, "Immunocytochemical localization of luteinizing hormone-releasing hormone (LHRH) pathways in the sheep brain during anestrus and the mid-luteal phase of the estrous cycle," The Journal of Comparative Neurology, vol.

In other study, it was stated that GnRH+PGF2[alpha] injections positively influenced the estrous and pregnancy rates in sheep synchronized by progesterone during anestrus season (Husein and Kridli, 2003).

Complete uteri were obtained from 33 healthy adult female dogs (Canis lupus famliaris) from the University's Animal Hospital, with no defined breed, subjected to ovariohysterectomy during anestrus (18 months - 6 years).