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Horse's > reproduction in horses > Flashcards

reproduction in horses Flashcards

1
Q

What is the primary sex organ of the mare?

A

the ovary

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2
Q

What is the primary sex organ of the male?

A

the testicles

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3
Q

How many testicles does a male have?

A

2

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4
Q

The estrous cycle is divided into how many physiological parts?

A

2

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5
Q

Estrus usually lasts about how long

A

3 - 7 days

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6
Q

the estrus id divided into two physiological parts Name them.

A

estrus and diestrus

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7
Q

How long does diestrus usually last?

A

15 - 19 days

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8
Q

What are the two main methods of estrus manipulation?

A

artificial lighting and hormonal control.

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9
Q

T/F Mares are not seasonal breeders.

A

False - Mares are seasonal breeders

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10
Q

Horses usually experience regular heat cycles and ovulation every how many days?

A

every 21 - 22 days

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11
Q

What are the 2 most common management tools used in detection of heat?

A

Palpation and Teasing

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12
Q

When do filly’s generally start coming into heat?

A

12 - 15 months of age

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13
Q

The ovary’s are somewhat bean-shaped organs that are how long?

A

2 -3 inches long

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14
Q

What is the primary hormone responsible for ovulation?

A

Leutenizing hormone (LH)

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15
Q

Spell Reproductive

A

Reproductive

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16
Q

During the ovulatory season , the mare undergoes a series of cycles, each of which is approximately how long?

A

21 - 23 days in length

17
Q

Spell estrogen

A

Estrogen

18
Q

When is there natural breeding season?

A

It begins in mid -April extends through mid-September

19
Q

What does CL?

A

corpus luteum

20
Q

What does FSH stand for?

A

Follicle stimulating hormone

Horse's (1 decks)

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