Livestock CDE Quiz 7

The estrous cycle in swine occurs:

• every 21 days

• twice per year

• bi-monthly

• weekly

A disease carried by insects that affect the eyes of cattle is:

• leptospirosis

• brucellosis

• anthrax

• pinkeye

Cattle have how many pairs of chromosomes?

• 60

• 30

• 24

• 16

The most common parasites affecting beef cattle are:

• ticks

• flies

• roundworms

• liver flukes

Which breed of sheep has the strongest flocking instinct?

• Leicester

• Rambouillet

• Shropshire

• Suffolk

Which major swine breed originated in England, with the major development of the breed occurring in Kentucky? Originally known as the Thin Rind.

• Chester White

• Poland China

• Hampshire

• Duroc

In a swine carcass, the loin is about ______ percent of the total carcass.

• 0.3

• 0.4

• 0.2

• 0.1

The breeds of cattle with origin in Europe such as Charolais, Simmental, and Limousin are usually referred to as:

• Continental breeds

• British breeds

• Commercial breeds

• Maternal breeds

A method of animal identification that is a puncture in the skin of numbers or letters is known as:

• tattoo

• freeze brand

• hot brand

• eartag

Accelerated lambing is a system that produces _______ lamb crops in two years.

• four

• one

• three

• two