Kindly explain III. Mating System. Analyze the mating system of the swine industry asshown in the figure below. Landrace and Large White breeds areknown for reproduction traits, while the colored breed, Duroc is knownfor production and carcass quality traits.DUROCLineLANDRACEGreat GrandLARGE WHITELineParent StocksLineGrandLANDRACEX LARGE WHITEParent StocksF1 CROSSBREDFEMALES50% Landrace - 50% Large WhiteDUROCParent StocksMARKET PIGS5o% Duroc - 25% Landrace - 25% Large WhiteAnswer the following:A. What would be the expected reproductive performance of F1crossbred females compared to its parental purebred? Why do yousay so?B. Why cross F1 crossbred females with a Duroc boar to producemarket pigs? What principle is at work here?

Landrance = ww Large white = Ww Crossing between them produce the result :- wW, wW, ww, ww ( 1:1 =…

Answered: production and carcass quality traits.…

production and carcass quality traits. HDRACE DUROC LARGE WHITE Great Grand Line Line Line Parent Stocks NDRACE X LARGE WHITE Grand Parent Stocks F1 CROSSBRED X DUROC Parent Stocks FFMALES

An Illustrated Guide To Vet Med Term

4th Edition

ISBN:9781305465763

Author:ROMICH

Publisher:ROMICH

Chapter20: Make Room For The Ruminants

Section: Chapter Questions

Problem 18MC

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Question

Kindly explain

III. Mating System. Analyze the mating system of the swine industry as
shown in the figure below. Landrace and Large White breeds are
known for reproduction traits, while the colored breed, Duroc is known
for production and carcass quality traits.
DUROC
Line
LANDRACE
Great Grand
LARGE WHITE
Line
Parent Stocks
Line
Grand
LANDRACE
X LARGE WHITE
Parent Stocks
F1 CROSSBRED
FEMALES
50% Landrace - 50% Large White
DUROC
Parent Stocks
MARKET PIGS
5o% Duroc - 25% Landrace - 25% Large White
Answer the following:
A. What would be the expected reproductive performance of F1
crossbred females compared to its parental purebred? Why do you
say so?
B. Why cross F1 crossbred females with a Duroc boar to produce
market pigs? What principle is at work here?

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