Gynaecology

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

The predominant hormone during the diestrus phase in cow is: A. Estrogen B. Progesterone C. LH D. FSH

Back (Answer)

Progesterone 🧠 Explanation: During diestrus, the corpus luteum is active and secretes high levels of progesterone, maintaining the uterus for possible pregnancy.

Front (Question)

The most common cause of infertility in dairy cows is:

Back (Answer)

Silent heat 🧠 Explanation: Silent heat (anestrus with ovulation but no behavioral signs) is a common cause of infertility, especially in high-yielding dairy cows.

Front (Question)

Bull sperm is best presented as -

Back (Answer)

straw

Front (Question)

gestation period in GP

Back (Answer)

2 months

Front (Question)

uterine milk

Back (Answer)

histotroph

Front (Question)

What is the normal presentation of a calf during parturition?

Back (Answer)

Anterior longitudinal, dorsosacral

Front (Question)

Pyometra is most commonly associated with:

Back (Answer)

Progesterone dominance ➤ High progesterone during diestrus causes glandular secretion and immunosuppression in the uterus, predisposing to pyometra.

Front (Question)

In cows, ovulation occurs: a) At the onset of estrus b) 12 hours after the end of estrus c) Mid-estrus d) 24 hours before estrus

Back (Answer)

b) 12 hours after the end of estrus Explanation: Ovulation occurs around 10–14 hours post-estrus, making AI timing crucial.

Front (Question)

most prolific animal

Back (Answer)

pig

#10

Front (Question)

cotyledonary placenta found in

Back (Answer)

cow

#11

Front (Question)

Ovsynch protocol uses:

Back (Answer)

GnRH and PGF2α

#12

Front (Question)

Anovulatory estrus in cows is mainly due to:

Back (Answer)

Follicular cyst

#13

Front (Question)

normal average pH of bull semen

Back (Answer)

6.6 to 6.7

#14

Front (Question)

conc of sperms in bull semen (million/cubic millimeter)

Back (Answer)

1 to 1.5 million/ cubic millimeter

#15

Front (Question)

best time to breed gilt during heat

Back (Answer)

2nd day of heat

#16

Front (Question)

test used for estrogenic hormone in urine of pregnant mare

Back (Answer)

cubonis test detects the presence of free estrogens in the urine, which are produced in large amounts during pregnancy, especially after the second trimester. The test involves a chemical reaction with sulfuric acid, resulting in a green opalescent color in daylight and a positive fluorescence under ultraviolet light in urine from pregnant mares.

#17

Front (Question)

Most common site of fertilization in the cow is:

Back (Answer)

ampulla

#18

Front (Question)

Involution of uterus in cow is completed in:

Back (Answer)

45 days

#19

Front (Question)

Metritis occurs usually:

Back (Answer)

After parturition

#20

Front (Question)

Freemartinism is caused due to:

Back (Answer)

Hormonal exposure

#21

Front (Question)

Uterine torsion is most common in:

Back (Answer)

cow

#22

Front (Question)

Drug used to treat retained placenta:

Back (Answer)

PGF2α

#23

Front (Question)

Capacitation occurs in the:

Back (Answer)

oviduct

#24

Front (Question)

Site of fertilization in most domestic animals:

Back (Answer)

Ampulla