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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

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

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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?
Transcribed Image Text: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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