TM GENETIC ANALYSIS

KENNEL

TIBETAN MASTIFF

A Preliminary Population Genetic Analysis

Carol Beuchat PhD

Basic statistics

All dogs (1929-2014)

Number of dogs = 16,688

Males = 8,228

Females = 8,436

Dogs with offspring:

Total = 3,634

Males = 1,456

Females = 2,185

21.8% of all dogs have offspring

17.7% of males have offspring

25.9% of females have offspring

fe = 25.76

fg = 19.81

fa = 17.78

average MK = 5.2%

Reference population (Current reproductive population: 2007-2014)

Number of dogs = 5,673

Males = 2,819

Females = 2,857

Dogs with offspring:

Total = 620

Males = 248

Females = 376

10.9% of all dogs have offspring

8.8% of males have offspring

13.2% of females have offspring

fe = 31.69

fg = 17.62

fa = 20.36

average MK = 5.6%

Number of dogs registered (in database)

per year since founding

Mean (open circles) and

maximum (closed circles)

Coefficient of Inbreeding (COI) by year

VIA