NEW Submissions to Pedigree Post

November, December 2007

Preferential Silence: Monoallelic Expression

by Loren Bolinger, November 18, 2007

Broodmare Power in Pedigrees

by Jay Leimbach, December 2, 2007

        Jay Leimbach has provided PedigreePost with a thoughtful essay on loading pedigrees with potent broodmares. 
        He writes that the blood of Mumtaz Mahal, Selene, La Troienne, and Plucky Liege have certainly become very 
        common and widespread because of the relative success from these maternal lineages compared with other 
        matrilines.  We find that the current breeding population has become saturated with their descendants because 
        breeders tend to exploit previously successful selection methods, yet it's still remarkable how often the best 
        racehorses and sires have unusually large doses of them while the best sirelines with weak or other maternal 
        bloodlines have disappeared.   ...And this continues to some extent right up to the present day...

Mating Strategy and Breeding Science

by Jay Leimbach, December 5, 2007

The Power of Chain Males

by Michael Ventura, December 14, 2007

        What effect, if any, does pedigree position have on inbreeding?  Michael Ventura explores this topic through
        statistical analysis using the Spearman Rank Order Correlation.

The Effect of Inbreeding

by Loren Bolinger, December 5, 2007

"Mitochhondrial DNA: An important female contribution to thoroughbred racehorse performance"

by Stephen Paul Harrison, Juan Luis Turrion-Gomez (PDF format, requires Adobe Acrobat 4.0 or higher)

        Thoroughbred Genetics Ltd., Kent Science Park, Sittingbourne, Kent ME9 8AZ, UK

        Departamento de Microbiologia y Genetica, Universidad de Salamanca,

        Edificio Departamental, Salamanca 37007, Spain

        Appeared in Mitochondrion xx (2006) 1 - 14, Mitochondria Research Society

        Posted to www.pedigreepost.net with permission from the author, December 5, 2007