Livestock Genetics

The type of breeding system used by animal producer will depend on the _______ of the operation.

• Finances

• Goals

• Time

• Dedication

Breeding systems can be divided into two main groups:

• Mixed breeding and Total breeding

• Good breeding and Bad breeding

• Linebreeding and Crossbreeding

• Father breeding and Mother breeding

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Linebreeding is

• The mating of animals who stand up the tallest

• Mating two animals of different breeds

• Mating two animals in the same pasture

• Mating two animals of the same breed

Crossbreeding is:

• Mating of animals of two different breeds

• Mating two animals across the road from each other

• Mating registered animals to get a purebred animal

• Genetic engineering

Generally, when producers use linebreeding methods, their animals are "registered" by a national breed organization.

• True

• False

If you were to take a registered Angus breed Cow and mate it with a registered Hereford Bull, what type of breeding would that be?

• Straightbreeding

• Crossbreeding

• Inbreeding

• Outcrossing

The offspring of a registered Angus cow and a registered Hereford Bull would be considered a(n) _______. It will have a mix of the parents genetics.

• Inbred

• Black sheep

• unwanted offspring

• hybrid

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Advantages of crossbreeding includes: Offspring grow faster, mature quicker, and have the superior traits of each of its parents. These advantages are also known as

• Dominant traits

• Hybrid vigor/heterosis

• Recessive traits

• Phenotype

Is a sire a male parent?

• Yes

• No

The mating of an animal to its relative is called

• Crossbreeding

• Hybrid crossing

• Grading up

• Inbreeding