Livestock CDE Q 226 - 250

Which of the following countries produces the most sheep?

• England
• USA
• Australia
• Scotland

The secretion and production of milk in sheep, cattle and swine is known as:

• anestrous
• lactation
• fertilization
• ovulation

The degree to which the crossbred offspring out performs its purebred parents is:

• high performance
• phenotype
• ratio condition
• hybrid vigor

What month of the year is the price of slaughter hogs the highest on average?

• October
• March
• December
• July

Ruminant animals can synthesize ________ of the 22 required amino acids.

• 10
• 18
• 22
• 0

The length of the estrous cycle for a ewe is:

• 72 hours
• 21 days
• 14 days
• 17 days

 What hormone is produced primarily by the ovaries in female animals?

• infundibulum
• testosterone
• estrogen
• globulin

Rations formulated to keep an animal at its current weight and size is a _________ ration.

• gestation
• weaning
• finishing
• maintenance

A selective form of breeding in which the sire and dam are related which some refer to as a mild form of inbreeding is called: 

• terminal
• linebreeding
• outcrossing
• crossbreeding

The majority of composite breeds of cattle in the United States use what breed as a foundation?

• Polled Hereford
• Charolais
• Brahman
• Brown Swiss