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Animal Science 🐮🐰🐶🐱🐥🐴🐗🐄 > Chapter 5 > Flashcards

Chapter 5 Flashcards

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Biology 101 flashcards
1
Q

Sexual reproduction

A

The Union of sperm and egg

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2
Q

Spermatozoa

A

Male sex cell (sperm)

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3
Q

Ovum

A

Female sex cell (egg)

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4
Q

Insemination

A

Placing sperm in the reproductive tract of the female

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5
Q

Copulation

A

The sexual Union of the male and female

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6
Q

Reproductive efficiency

A

Timely and prolific replacement of a speices

Difference between failure and success

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7
Q

Conditions for fertilization

A

Female and male must be compatible
Female in heat
Egg is mature

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8
Q

Vulva

A

Exterior portion of the reproductive tract

Indicts signs of heat

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9
Q

Vagin

A

Between vulva and uterus
Cow and ews: semen is deposited there
Mares and sows: semen is deposited in the cervix

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10
Q

Cervix

A

Mouth of the womb

Opening end of the uterus

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11
Q

Uterine horns

A

Two branches of the uterus

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12
Q

Fallopian tube

A

Uterine horn becomes a small tube

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13
Q

Ovaries

A

At the end of the Fallopian tube

Eggs are held there

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14
Q

Sows reach sexual maturity at

A

4 months

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15
Q

Mares reach sexual maturity at

A

24 months

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16
Q

Heat is also called

A

Estrus

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17
Q

During heat what happens to the eggs

A

Eggs are released by ovary

Egg travels down the tube till fertilized

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18
Q

Estrogen

A

Female hormone to regulate estrus

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19
Q

Heat definition

A

Heat is when the female is receptive to the male and will allows breeding

20
Q

How many phases of heat

A

4

21
Q

Proestrus

A

Ovary is about to real ease an egg

22
Q

Estrus

A

Female is receptive

23
Q

Metestrus

A

Uterus prepares for pregnancy

24
Q

Diestrus

A

Longest period

Inactive

25
Q

Signs of heat

A

Aggression

Vulva swells and changes colors

26
Q

Testicles

A

Produce sperm and testosterone

27
Q

Scrotom

A

Carries testies

28
Q

Epididymis

A

Tube that connects to testies

Stores sperm

29
Q

Vas deferns

A

Connects to to epididymis

30
Q

Urethra

A

Begins at bladder and continues through the penis

31
Q

Sigmoid gland

A

S shape

Allows penis to extended

32
Q

Accessory sex glands

A

Prostate
Two seminal vesicles
Two Cowper’s glands

33
Q

Functions of accessory

A

Transport sperm
Adds volume
Provides nutrients
Cleans and flushes urinary tract

34
Q

Testosterone is responsible for

A

Growth, development and activity of accessory glands
Survival of sperm
Male voice
Sex drive

35
Q

Fertilized ovum

A

Zygote

36
Q

Embryo

A

Developing animal

37
Q

Fetus

A

Baby

38
Q

Parturition

A

Giving birth

39
Q

Colostrum

A

Milk stuff

40
Q

Spawning

A

Female fish releases eggs

41
Q

Calving. How long is a bovine pregnant

A

283

42
Q

Farrowing how long is a pig pregnant

A

114 3 months 3 days 3 weeks

43
Q

Chicken incubation

A

21 days

44
Q

Fooling how long is a horse pregnant

A

337

45
Q

Role of animal reproduction

A

Essential for organism to live
Essential to stay in existence
Without it there would be no new animals

Animal Science 🐮🐰🐶🐱🐥🐴🐗🐄 (10 decks)

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