Swine Breeding and Genetics Pop Quiz

Click on the correct answer


1	Genetics accounts for all of the variability among individual animals.
		True
		False




2	If a boar has a high EPD but a low accuracy value, should you choose him for your breeding program?
		Yes
		No




3	What is this ?
		Cryptorchidism
		Umbilical Hernia
		Atresia Ani
		Hermaphrodite


4	Meiosis is the process by which:
		A pig metabolizes its feed
		A germ cell splits in half to produce a haploid egg or sperm cell
		The normal process of cell division by which the body replaces old cells.



5	Which of the follow are terminal characteristics?
		Litter Size
		Backfat
		Litter Weight
		Growth Rate
		Answers B and D

6	How does AI accelerate genetic improvement?
		Improved genetic merit of the boars.
		Reduced generation interval.
		Reduced genetic cost.
		All of the above.
		None of the above.

7	What is the best available estimate of genetic value?
		backfat data
		EPD
		reproductive data
		phenotype
		accuracy value

8	AI guarantees genetic improvement in my herd.
		True
		False




9	What is the genetic advantage of a boar with an EPD of -.15 for backfat over a boar with an EPD of .1 inches of backfat when bred to genetically similar females?
		-.05 inches
		-.15 inches
		-.25 inches
		a lot
		.25 inches

10	Maximum maternal heterosis would be acheived for all sows in production by which crossbreeding program?
		Rotaterminal
		Purchase
		Grandparent