Postpartum Rectal palpation of the ovaries and its response

Postpartum ovarian activity and
subsequent conception may be affected by several factors such as breed,
nutrition plan, milk yield, suckling, uterine involution, season of calving
(Baruselli, 2001; Pipaonet al., 2002).Milk yield and dairy herds’
fertility are of major economic importance for a dairy farmer. In order to gain
maximum profit, calving intervals should not exceed 365 days. The achievement
of a 365-day calving interval requires an early resumption of ovarian activity,
excellentestrus detection, and a high first-service conception rate. Especially
the inability to detect estrus and to mate the cows by 60 to 80 days after
calving is a common problem among dairy farmers nowadays (Opsomeret al.,
1996). It is established that many cows suffering from reproductive disturbance
like anoestrus that delayed conception and parturition. Nutrient balance
affects the resumption of ovarian cyclic activity following calving in dairy cattle
(McDougallet
al.,
2005). On the other hand cystic ovary is another major cause for anoestrus in
dairy cows in rural areas of Bangladesh. There are several types of cysts that
can be found in the ovaries of the cow which have a significant impact on the
reproductive efficiency. The cystic structures that were studied include
follicular cysts, luteal cysts and ovarian hypoplasia. Rectal palpation of the
ovaries and its response to locally available drugs used as a treatment of
those diseases was another consideration. This was performed through the
presentation of pertinent information on the cystic ovarian conditions.
Throughout the report, the different types of cysts are compared and contrasted
in their characteristics, causes, and treatments so that connections are made
between the different, yet remarkably similar, conditions. The importance of
studying cystic conditions lies in the consequences it has for the dairy
producer. As most cysts are an ovulatory, they cause severe delays in the
reproductive efficiency of affected animals, leading to decrease milk
production over time. This inevitably can affect the bottom line and cause the
dairy producer to lose money. Because of the significant impact that cysts can
have, they should be understood completely so that the most effective diagnoses
can be made and treatments administered in order to prevent unnecessary losses
from the farm.Actually anoestrus is in fact a very broad
term that indicates the lack of the typical estrus expression at an expected time
(Hopkins, 1986). In this study, in which emphasis was given about the
anoestrus problems in local and available cross bred dairy cows after calving,
the term anoestrus covers all cows not seen to be in heat after a certain time
after calving. In this context, also estrus detection failures by the herdsmen
have to be seen as a part of the problem.

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