Abstract
The ability to produce viable progeny is a complex trait, involving both male and female components. In poultry, mating ratios are usually 1 male to 6 to 12 females. Consequently, the impact of male reproductive failure is much greater than that for a female. In this study, the genetic determination of male reproductive performance, by natural mating and artificial insemination (AI), was evaluated. Semen quality was studied in 1,575 pre-selected (using a selection index of multiple egg production and quality traits) White Leghorn males of a single pure line from multiple generations. A subset of individuals with satisfactory semen quality (based on sperm count and motility) were further tested for subsequent fertility and hatchability. Genetic parameters for fertility (FER), hatch of fertile (HOF), hatch of set (HOS), sperm motility (SM), sperm count (SC), and fertility using AI (FER-AI) were estimated using single- and multi-trait animal models, with generation as fixed effect. Selected birds were genotyped using the 600K Affymetrix SNP chip. Genomic data were analyzed with the BayesB method. FER, HOS, and HOF were highly correlated, both genetically (0.82 to 0.99) and phenotypically (0.28 to 0.99), but genetic correlations wi...Continue Reading
References
Dec 1, 1972·Behavior Genetics·W T CookK Hinkelmann
Jun 1, 1996·Poultry Science·D P Froman, D J McLean
Jul 20, 1999·Biology of Reproduction·D P FromanJ D Kirby
Sep 2, 2004·Poultry Science·R L SappT Wing
Oct 31, 2009·Genetics, Selection, Evolution : GSE·Anna WolcWilliam G Hill
Mar 5, 2010·BMC Genetics·Haiping XuXiquan Zhang
Oct 19, 2010·Poultry Science·A WolcV E Olori
Dec 24, 2010·Reproduction : the Official Journal of the Society for the Study of Fertility·B K PodisiP M Hocking
Jul 14, 2011·Genetics and Molecular Research : GMR·R P SavegnagoD P Munari
Dec 17, 2011·PloS One·Wenbo LiuNing Yang
Oct 27, 2012·Journal of Animal Science·D P Froman, D D Rhoads
Nov 28, 2012·Nucleic Acids Research·Zhi-Liang HuJames M Reecy
Jan 30, 2013·BMC Genomics·Andreas KranisDavid W Burt
Jun 13, 2013·Methods in Molecular Biology·Dorian J Garrick, Rohan L Fernando
Sep 21, 2013·Poultry Science·J HuZ W Wang
Citations
Jul 23, 2019·Poultry Science·Yanyan SunJilan Chen
Nov 5, 2020·Poultry Science·Z R JarrellA P Benson
Nov 5, 2020·Poultry Science·Hailai Hagos TesfayJilan Chen