Equine Reproduction Flashcards

0
Q

What is horse estrous effected by?

A

Day length

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1
Q

Define the horses estrus cycle

A

Poly estrous

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2
Q

When do horses go into heat?

A

During April through August

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3
Q

When do foals hit their first heat cycle?

A

Between 12 & 15 months of age

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4
Q

When are most fillies bred?

A

4 years

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5
Q

What happens if you breed a horse to early?

A

Stunting of the mare and dystocia

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6
Q

How long is a horses cycle?

A

21 days

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7
Q

How long does heat last?

A

5-7days

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8
Q

When does ovulation occur?

A

5-7 days

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9
Q

How long is the gestation period?

A

About 11 months

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10
Q

A male has a [BLANK] which means it has sponges tissue that fills with blood

A

Musculocavernous penis

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11
Q

What would you do during a mare breeding exam?

A

Examination vagina with a speculum
Rectal exam of uterus and ovaries
Uterine culture and cervical biopsy

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12
Q

How would you do a stallion breeding examination

A

Semen evaluation

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13
Q

What is the caslicks procedure?

A

Sewing the vulva shut to prevent the entry of feces into the vagjna

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14
Q

How can you detect a pregnancy?

A

Rectal palpating

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15
Q

When can you detect a pregnancy when palpating through the rectum?

A

30-45 days

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16
Q

When can you determine the sex of a foul?

A

60-70 days

17
Q

When can a blood test detect a pregnancy?

A

35-120 days

18
Q

When do false pregnancys appear?

A

Embryonic death

19
Q

When will mares normally give birth ?

A

11pm and 7am

20
Q

What are five signs of parturition?

A
4 weeks prior mammary glands enlarge
7-10 days prior muscles around railhead relax
7-10 days prior fetus drops low
4-6 days prior colostrum is present
Then vulva loosens
21
Q

When will a mare isolate herself?

A

12 hours before delivery

22
Q

What is uterine torsion?

A

Uterus twists on itself and can cause severe colic symptoms

23
Q

When does uterine torsion usually happen?

A

Occurs before labor

24
Q

What is uterine prolapse linked to?

A

Low blood calcium levels

25
Q

What is the mortality rate for uterine prolapse?

A

More than 50%

26
Q

How much colostrum must a foul consume within the first 12 hours?

A

2qt

27
Q

When with a foals gut close to colostrum?

A

After 24 hours

28
Q

What two tests can be used to see if a calf has gotten enough colostrum?

A

Serum IgG levels and plasma protien

29
Q

What does dipping the navel prevent?

A

Navel infections/ joint ill

30
Q

When should a foal pass it’s first feces?

A

In first 24 hours

31
Q

What can a retained placenta cause?

A

Merritt’s

32
Q

What can Metritis cause?

A

Laminitis

33
Q

What is foul heat?

A

First heat after parturition

34
Q

When should you make hay available to foals?

A

First week

35
Q

How much should you feed a foal?

A

1lb for every 100lbs

36
Q

When should you introduce grain?

A

2-3 weeks

37
Q

En are orphans weaned?

A

At two months

38
Q

When can foals be weaned?

A

When they are consuming 2lbs or grain per day

39
Q

When are lost foals weaned?

A

6montha