Search Results - "WALLING, Grant A"

Genetic selection against intrauterine growth retardation in piglets: a problem at the piglet level with a solution at the sow level by Matheson, Stephanie M, Walling, Grant A, Edwards, Sandra A

“…In polytocous livestock species, litter size and offspring weight act antagonistically; in modern pig breeds, selection for increased litter size has resulted…”
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The production of pig preimplantation embryos in vitro: Current progress and future prospects by Fowler, Katie E, Mandawala, Anjali A, Griffin, Darren K, Walling, Grant A, Harvey, Simon C

“…Human assisted reproductive technology procedures are routinely performed in clinics globally, and some of these approaches are now common in other mammals…”
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Balancing selection at a premature stop mutation in the myostatin gene underlies a recessive leg weakness syndrome in pigs by Matika, Oswald, Robledo, Diego, Pong-Wong, Ricardo, Bishop, Stephen C, Riggio, Valentina, Finlayson, Heather, Lowe, Natalie R, Hoste, Annabelle E, Walling, Grant A, Del-Pozo, Jorge, Archibald, Alan L, Woolliams, John A, Houston, Ross D

“…Balancing selection provides a plausible explanation for the maintenance of deleterious alleles at moderate frequency in livestock, including lethal recessives…”
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Identification of optimal assisted aspiration conditions of oocytes for use in porcine in vitro maturation: A re‐evaluation of the relationship between the cumulus oocyte complex and oocyte quality by Silvestri, Giuseppe, Rathje, Claudia C., Harvey, Simon C., Gould, Rebecca L., Walling, Grant A., Ellis, Peter J.I., Harvey, Katie E., Griffin, Darren K.

“…The quality of porcine oocytes for use in IVF is commonly graded according to the number of layers of cumulus cells (CCs) surrounding the oocyte; together…”
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Novel approach for deriving genome wide SNP analysis data from archived blood spots by Fowler, Katie E, Reitter, Chris P, Walling, Grant A, Griffin, Darren K

“…The ability to transport and store DNA at room temperature in low volumes has the advantage of optimising cost, time and storage space. Blood spots on adapted…”
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Genetic control of complex traits, with a focus on reproduction in pigs by Zak, Louisa J., Gaustad, Ann Helen, Bolarin, Alfonso, Broekhuijse, Marleen L. W. J., Walling, Grant A., Knol, Egbert F.

“…Reproductive traits are complex, and desirable reproductive phenotypes, such as litter size or semen quality, are true polygenetic traits determined by…”
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Genome wide analysis reveals single nucleotide polymorphisms associated with fatness and putative novel copy number variants in three pig breeds by Fowler, Katie E, Pong-Wong, Ricardo, Bauer, Julien, Clemente, Emily J, Reitter, Christopher P, Affara, Nabeel A, Waite, Stephen, Walling, Grant A, Griffin, Darren K

“…Obesity, excess fat tissue in the body, can underlie a variety of medical complaints including heart disease, stroke and cancer. The pig is an excellent model…”
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Highly Prolific Booroola Sheep Have a Mutation in the Intracellular Kinase Domain of Bone Morphogenetic Protein IB Receptor (ALK-6) That Is Expressed in Both Oocytes and Granulosa Cells by WILSON, Theresa, WU, Xi-Yang, MCNATTY, Kenneth P, MONTGOMERY, Grant W, JUENGEL, Jennifer L, ROSS, Ian K, LUMSDEN, Joanne M, LORD, Eric A, DODDS, Ken G, WALLING, Grant A, MCEWAN, John C, O'CONNELL, Anne R

“…The Booroola fecundity gene ( FecB ) increases ovulation rate and litter size in sheep and is inherited as a single autosomal locus. The effect of FecB is…”
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Combined Analyses of Data From Quantitative Trait Loci Mapping Studies: Chromosome 4 Effects on Porcine Growth and Fatness by Walling, Grant A, Visscher, Peter M, Andersson, Leif, Rothschild, Max F, Wang, Lizhen, Moser, Gerhard, Groenen, Martien A. M, Bidanel, Jean-Pierre, Cepica, Stanislav, Archibald, Alan L, Geldermann, Hermann, de Koning, Dirk J, Milan, Denis, Haley, Chris S

“…For many species several similar QTL mapping populations have been produced and analyzed independently. Joint analysis of such data could be used to increase…”
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Highly Prolific Booroola Sheep Have a Mutation in the Intracellular Kinase Domain of Bone Morphogenetic Protein IB Receptor (ALK-6) That Is Expressed in Both Oocytes and Granulosa Cells1 by Wilson, Theresa, Wu, Xi-Yang, Juengel, Jennifer L, Ross, Ian K, Lumsden, Joanne M, Lord, Eric A, Dodds, Ken G, Walling, Grant A, McEwan, John C, O'Connell, Anne R, McNatty, Kenneth P, Montgomery, Grant W

“…The Booroola fecundity gene (FecB) increases ovulation rate and litter size in sheep and is inherited as a single autosomal locus. The effect of FecB is…”
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On the mapping of quantitative trait loci at marker and non-marker locations by Walling, Grant A, Haley, Chris S, Perez-Enciso, Miguel, Thompson, Robin, Visscher, Peter M

“…Previous studies have noted that the estimated positions of a large proportion of mapped quantitative trait loci (QTLs) coincide with marker locations and have…”
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Detection of a major gene for litter size in Thoka Cheviot sheep using Bayesian segregation analyses by Walling, G. A., Bishop, S. C., Pong-Wong, R., Gittus, G., Russel, A.J. F., Rhind, S. M.

“…Segregation analyses were applied to data from an experimental sheep flock to investigate the presence of a major gene affecting litter size. The data set…”
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