Ansc 107 Exam 2

Front 1

roughages are needed for _________________

Back 1

bulk in ruminant rations (the basis of ruminant diets)

Front 2

carbonaceous concentrates are _____ in energy and ____ in fiber

Back 2

high in energy and low in fiber

Front 3

#1 feed (carbonaceous concentrate)

Back 3

corn

Front 4

other carbonaceous concentrates

Back 4

sorghum grains, oats, barley, wheat, molasses, animal fats

Front 5

stomach has a pH of ____

Back 5

2-3

Front 6

____ has no gallbladder

Back 6

horse

Front 7

where colic? cecum..... rumen/ferm.

Back 7

idk

Front 8

breakdown of fibrous feeds (end product)

Back 8

VFAs are end product

Front 9

omasum has...

Back 9

many plies

Front 10

eructation

Back 10

belching of CO2 and methane gases

Front 11

________ is the most commonly limiting nutrient affecting repro

Back 11

energy

Front 12

every hormonal activity during repro is initiated in the

Back 12

hypothalamus

Front 13

hypothalamic hormone that secretes LH and FSH by the anterior pituitary

Back 13

GnRH

Front 14

3 things that FSH does

Back 14

induces follicular development, induces estrogen production, and stimulates spermatogenesis

Front 15

inhibin does what?

Back 15

reduces FSH

Front 16

progesterone is often called

Back 16

the hormone of pregnancy

Front 17

progesterone does what

Back 17

negative feedback to hypothalamus

Front 18

hormone that is responsible for milk letdown

Back 18

oxytocin

Front 19

prostoglandin is produced by what?

Back 19

fertilized ovum

Front 20

spermatic cord contains what 3 things?

Back 20

vas deferens, pampiniform plexus, and external cremaster muscle nerves

Front 21

cells that support spermatogenesis

Back 21

sertoli cells

Front 22

cells that synthesize testosterone

Back 22

leydig cells

Front 23

testis need to be ____ deg C cooler than rest of body for spermatogenesis to occur

Back 23

3-5 deg C

Front 24

4 ways the scrotum maintains temp

Back 24

location of testes outside of body core, low insulation, sweat gland, tunica dartos muscle

Front 25

_____% of sperm are stored in the cauda

Back 25

70%

Front 26

____ days of sperm production is stored in cauda

Back 26

4

Front 27

boars have ________ shaped penis

Back 27

corkscrew

Front 28

stallion penis ________ during ejac, so it'll force sperm directly into uterus

Back 28

bells out

Front 29

sheep has sperm concentration of

Back 29

3.0 (biggest concentration)

Front 30

swine has sperm volume of

Back 30

225-400 (biggest volume)

Front 31

3 parts of female repro

Back 31

uterine body, cervix, vagina

Front 32

cows uterine horns are _______ in long

Back 32

7-8 inches (bipartite)

Front 33

ovary produces ______ and _______

Back 33

estrogen and progesterone

Front 34

infundibulum

Back 34

catches ovum after ovulation

Front 35

follicle

Back 35

blister-like structure on ovary that contains ovum and hormone rich fluid

Front 36

graffian follicle

Back 36

mature follicle