ANIMAL BREEEDING AND GENETICS-ANSCI 101 Lab

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14 Terms

1
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INBREEDING

MATING OF INDIVIDUALS THAT ARE CLOSELY RELATED TO EACH OTHER
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OUTBREEDING
MATING OF UNRELATED BOARS AND SOWS TO PRODUCE THE NEXT GENERATION
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OUTBREEDING AND INBREEDING
WHAT ARE THE TWO BREEDING SYSTEM
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PUREBREEDING
MATING OF TEO PUREBRED ANIMALS OF THE SAME BREED BUT NOT RELATED UP TO 4TH TO 6TH GENERATION
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PUREBREED
DEFINED AS A MEMEBER OF BREED WHICH POSSESSES A COMMON ANCESTRY AND DISTINCTIVE CHARACTERIDTICS AND OS EITHER REGISTERED OR ELIGIBLE FOR REGISTRATION FOR THAT BREED
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PUREBREED
THE MAIN OBJECTIVE OF THIS ONE IS TO PRODUCE HOMOZTGOUS ANIMALS PRIMARILY FOR CROSSBREEDING PROGRAMS WITHOUT THE INBREEDING DEPRESSION EFFECT AND TO MAINTAIN VALUABLR GENETIC MATERIAL
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CROSSBREEDING
IT IS THE MATING OF TWO ANIMASL OF DIFFERENT BREEDS
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CROSSBREEDING
DONE TO RTAKE ADVANTAGE OD HETEROSIS OR HYBRID VIGOR AND TO ELICIT THE DESIRABLE CHARACTERISTICS OF PARENTAL BREEDS
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TWO WAY CROSSING
CROSSING TWO DIFFERENT BREEDS
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BACKCROSSING
THIS IS AN EXTENDED TWO WAY CROSS, WHERE THE BREED OF THE MALE USED IS THE BREED OF TE FEMALE IN TWO WAY CROSS
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CRISSCROSSING
THIS IS A CONTINUATION OF BACKCROSSING SUCH THAT THE BREEDS OF THE MALE ALTERNATES BETWEEN THE TWO BREEDS USED
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THREE WAY CROSSING
THIS IS DONE USING THREE BREEDS
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FOUR WAY CROSS
DONE USING FOUR BREEDS
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UPGRADING
MATING OF NATIVE FEMALES TO PUREBRED BOARS OF SUPERIOR QUALITY. MATING OF NATIVE MALE ANIMAL WITH COMMERCIAL AMLE ANIMAL