Shared Flashcard Set

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Animal Science
N/A
44
Agriculture
Undergraduate 3
03/02/2010

Additional Agriculture Flashcards

 


 

Cards

Term
Puberty
Definition
Age at which animal becomes capable of reproduction
Term
Sexual Maturity
Definition
age at which animals can reproduce at optimal level
Term
Parturition
Definition
act of giving birth
Term
Gestation
Definition
period of time from mating to parturition
Term
Lactation
Definition
period of time producing milk
Term
Estrus
Definition
"In heat" cycle
Term
Anestrus 
Definition
not showing heat length
Term
Polyestrus
Definition
every 21 days
Term
Antral Follice
Definition
the release of the egg
Term
Corpus Luteum
Definition
release of progestrone
Term
Follice
Definition
blister-like structure on ovary
Term
Fallopian tube (Oviduct)
Definition
ova and sperm, extends from horns to ovaries
Term
Ampulary Isthmic Junction
Definition
Where fertilization occurs
Term

Infludibulum

 

(Function and Time Length)

Definition

Recieve yolk

 

30 mins or less

Term

Magnum

 

(Function and Time Length)

Definition

secretes thick albumen

 

2-3 hours

Term

Isthmus

 

(Function and Time Length)

Definition

adds shell membrane

 

1hr 30 min

Term

Uterus

 

(Function and Time Length)

Definition

adds shell gland

 

18-20 hrs

Term
Proestrus
Definition

Estrogen increases

 

Vacularity increases

Term
Estrus
Definition

Estrogen decreases

 

LH surges, ovulation 24-28 hr later

Term
Mestestrus
Definition
Estrogen is low
Term
Diestrus
Definition

Progesterone high

 

longest stage

Term
Gametogenic
Definition
Produces sperm cells
Term
Endocrine
Definition
produces hormones
Term
Prostate Gland
Definition
Secretions stimulate sperm activity
Term
Cowper's gland
Definition
produces lubricating and cleansing fluid just prior to ejaculation
Term
Spermatic Cord
Definition
contains testicular artery
Term
How long does Spermatgenesis last?
Definition
50 to 60 days
Term
Penis
Definition
organ of copulation
Term
Endocrine
Definition
produces hormones
Term
Scrotum
Definition
protective sac, regulates body temperature
Term
Sheath
Definition
correct angulation desired
Term
Seminal Vesicles
Definition
Produce large volume of fluid
Term
ADG
Definition
Average Daily Gain
Term
FCR
Definition
Feed Conversion Ratio
Term
HYPP
Definition
Hyper Kalemic Periodic Paralysis
Term
LH
Definition
Lutenizing Hormones
Term
Phenotype
Definition
Genetics + Environment
Term
Inbreeding
Definition
mating closely related individuals
Term
Linebreeding
Definition
mating of individuals with common ancestor
Term
Crossbreeding
Definition
mating animals from different breeds
Term
Give an example of a PTA for Dairy cattle
Definition

milk

 

protein

 

fat

Term
Give an example EPDs for Swine
Definition

Backfat

 

21 day litter weight

Term
Give an example of EPDs for Sheep
Definition

weaning weight

 

fiber length

 

fiber diameter

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