Farm Animal Health Quiz #2

Saliva contains large amounts of bicarbonate T or F

false, it has trace amounts

2 functions of Rumen

1. fermentation

2. produce B and K vitamins

In calves the ___ allows milk to bypass rumen and directly enter the abomasum

esophageal groove

Important function of the scrotum regarding sperm production

thermal regulation of sperm

Average estrous cycle in cattle is ___ days

21

Semen is thawed at normal bovine body temp to ensure optimal fertility T or F

false, thawed at 97 degrees F

Bovines generally have a high respiratory rate with a low tidal volume T or F

True

Bpvine have a highly lobulated lung with equal numbers of lobes on right and left side T or F

False, 2 lobes on L & 4 lobes on R​

Very pliable lungs with thin intralobular septa and connective tissue T or F

false, Dense intralobular septa & connective tissue

Cattle have very large lungs in relationship to their body size T or F

False

Primary function of omasum

large mucosal folds increase surface area and allow for large amounts of water resorption

___ number of cows one can reasonably expect a 2 ½ year old bull to breed in a season

A healthy bull can breed approximately 1 cow per month of bull’s age

2.5 yrs × 12 months = 30 cows

Hormone coated implant used in synch programs

CIDR

used In treatment of cystic ovarian disease

GnRH

causes regression of CL

prostaglandin F2a

stops progression of CL to synchronize heat cycle

progesterone

One difference between embryo transfer and in-vitro fertilization

Embyro transfer collects fertilized embryos and in-vitro fertilization collects unfertilized oocytes

Ehen performing a C-section on a cow, a ___ approach is most commonly used in a standing cow

left flank