ESTROUS CYCLE IN
MARE
P.MUTHU
BVN18043
, THE ESTROUS CYCLE
DEFINITION:
In all species of domestic animal that have
reached puberty there is a definite physiologic functiona
rhythm of the reproductive system,called the estrous
cycle.
PUBERTY AGE: 10 to 24 months (average 18 months)
SEASONALLY POLYESTROUS ANIMAL: Have more than on
estrous cycle during specific time of year.
LONG DAY BREEDERS: Cycle when day length increases.
LENGTH OF ESTROUS CYCLE:19 to 25 days
, The estrous cycle is commonly divided into 2 phases and 4
stage.
1.Follicular or estrogenic phase
Proestrus (3 days)
Estrus (4 to 7 days)
2.Luteal or progestational phase
Metestrus (3 to 5 days)
Diestrus (6 to 10 days)
MARE
P.MUTHU
BVN18043
, THE ESTROUS CYCLE
DEFINITION:
In all species of domestic animal that have
reached puberty there is a definite physiologic functiona
rhythm of the reproductive system,called the estrous
cycle.
PUBERTY AGE: 10 to 24 months (average 18 months)
SEASONALLY POLYESTROUS ANIMAL: Have more than on
estrous cycle during specific time of year.
LONG DAY BREEDERS: Cycle when day length increases.
LENGTH OF ESTROUS CYCLE:19 to 25 days
, The estrous cycle is commonly divided into 2 phases and 4
stage.
1.Follicular or estrogenic phase
Proestrus (3 days)
Estrus (4 to 7 days)
2.Luteal or progestational phase
Metestrus (3 to 5 days)
Diestrus (6 to 10 days)
