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Boer goat Mgmt > Lecture 2- physiology Of Does > Flashcards

Lecture 2- physiology Of Does Flashcards

1
Q

When do does sexually mature?

A

9 months

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2
Q

What type of estrous cycle are does

A

Seasonally polyestrous

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3
Q

What type of ovulations are does

A

-spontaneous ovulators

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4
Q

How long is the estrous cycle

A
  • 17-24 days
    -average 21 days
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5
Q

How long is the gestation period

A

5 months (150 days average)

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6
Q

Where is the cervix?

A

Between the uterus and the vagina, the muscular ridges is to protect the uterus from outside extremities

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7
Q

How many rings is the cervix made of

A

Usually 3-4

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8
Q

What is the opening of the cervix called

A

The OS

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9
Q

Is the cervix usually open or closed

A

The cervix is usually closed unless the doe is in heat,
This is a response to estrogen

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10
Q

Where are ovaries

A

-located on each side of the pelvic cavity

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11
Q

What hormones do the ovaries produce?

A

-progesterone: responsible for changes in the body to prepare for pregnancy

-estrogen: responsible for secondary sex characteristics displayed during heat

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12
Q

How long is the vagina

A

9-15cm in length

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13
Q

Where is the vagina?

A

It is the structure between the vulva and the uterus

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14
Q

What are bicorunate?

A

Two long horns that connect the uterine horns to the oviducts

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15
Q

How long is the uterus

A

2-3cm

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16
Q

What is the function of the uterus

A

Protects and nourishes the fetus during pregnancy

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17
Q

What are the three layers of the uterus

A

-endometrium
-myometrium
-perimetrium

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18
Q

Endometrium

A

Internal layer of the uterus

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19
Q

Myometrium

A

Middle layer of the uterus

20
Q

Perimetrium

A

Outermost layer of the uterus

21
Q

Proestrus

A
  • 2-3 days
  • development of endometrium and ovarian follicles
22
Q

Estrus

A
  • 12-48 hours
  • ovulation, receptive to mating
23
Q

Metestrus

A
  • 2 days
  • sexual inactivity, formation of corpus luteum
24
Q

Diestrus

A

-15-19 days
- functional corpus luteum
- increase blood concentration in progesterone

25
Q

Anestrus

A
  • 7 months
  • prolonged period of sexual rest
26
Q

Signs of estrus

A

-flagging
-vocalizing
-fiehmen response (lip curl)
- urination
- increased sociability
- back pressure test

27
Q

Characteristics for a good breeding doe

A
  • age
  • good health
  • temperament
  • conformation
  • lineage
28
Q

How old do breeding does need to be at the Hadley farm

A

At least 1.5 years old

29
Q

What does “good health” mean

A

BCS, FAMACHA, weight, parasite load

30
Q

What is a good temperament?

A

Usually more relaxed does have less dystopias and smoother pregnancies

31
Q

What is a good confirmation for does

A

Good mothering skills, high milk production, litter size, birth weights, weaning weights

32
Q

What are the pre-breeding vaccines?

A
  • chlamydia
    -leptospirosis
  • clampobacter
33
Q

Chlamydia vaccines

A
  • 2.5 months prior (first time moms)
  • 2 weeks before breeding
34
Q

Leptospirosis vaccine

A
  • 16 weeks and 12 weeks prior to breeding
  • prevents early term abortions
35
Q

Clampobacter vaccine

A
  • 2.5 months (first time moms)
  • 2 weeks prior to breeding
  • prevent late term abortions
36
Q

Abortive diseases

A
  • chlamydiosis
    -leptospirosis
    -camplobacteriosis
37
Q

Chlamydiosis

A
  • most common cause of abortions in US
  • dormant disease
  • will see signs late in pregnancy
38
Q

Chlamydiosis symptoms

A
  • conjunctivitis
  • retained placenta
  • reproductive failure
39
Q

Leptospirosis

A
  • most common zoonotic dz
  • spread by the urine of infected animals
  • occurs during the early stages of pregnancy
40
Q

Leptospirosis symptoms

A
  • anemia
  • jaundice
  • hemoglobinemia (lack of hemoglobin)
41
Q

Campylobacteriosis

A

-spread by contamination of bacteria in feed, placenta, and/or fetus
-late term abortions

42
Q

Campylobacteriosis symptoms

A
  • fever
  • diarrhea
  • vagina discharge
  • endometritis
43
Q

Toxoplasmosis

A
  • zoonotic
  • can be infected if ingested infected oocytes in contaminated feed or soil
44
Q

Toxoplasmosis symptoms

A

-abortions, still borns, weak kids
-fever, diarrhea, cough
- seizures
- death

45
Q

Flushing

A
  • an increase of high quality feeds to get ready for breeding
46
Q

When should flushing begin

A
  • should increase 2 weeks before introducing the buck
47
Q

When is flushing ideal?

A
  • when BCS is lower
    -slowly integrate feed

Boer goat Mgmt (9 decks)

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