TABLE 5.

CattleQTLdb queries for QTL influencing traits selected in U. S. beef cattle for regions enriched for taurine alleles in American Breed cattle.

Chr	Region a (bp)	Records b	Traits c	Most Likely QTL d	References
				Brangus
10	49,001,469	50	28	Calving Ease; Stillbirth	Kühn et al. (2003); Schnabel et al. (2005); Seidenspinner et al. (2009)
				Age At Puberty	Hawken et al. (2012)
				Yearling Weight; Yearling Height	McClure et al. (2010); Snelling et al. (2010)
				Tick Resistance	Machado et al. (2010)
17	17,951,470	38	29	Birth Weight; Calving Ease; Stillbirth	Ashwell et al. (2005); McClure et al. (2010); Cole et al. (2011)
				Female Fertility	Cole et al. (2011)
				Average Daily Gain; Metabolic Body Weight; Slaughter Weight; Yearling Weight	MacNeil and Grosz (2002); Peters et al. (2012); Seabury et al. (2017); Akanno et al. (2018)
				Carcass Fat Thickness; Marbling	Casas et al. (2003); McClure et al. (2010)
				Bovine Respiratory Disease Susceptibility	Neupane et al. (2018)
17	50,139,483	40	11	Female Fertility	Gaddis et al. (2016)
				Santa Gertrudis
3	86,843,182	41	17	Birth Weight; Calf Size; Calving Ease; Stillbirth	Sahana et al. (2011); Sugimoto et al. (2012)
				Female Fertility	Gaddis et al. (2016)
13	57,549,587	99	47	Birth Weight; Calf Size; Calving Ease; Gestation Length; Stillbirth	Kühn et al. (2003); Cole et al. (2011); Sahana et al. (2011); Sikora et al. (2011); Höglund et al. (2012); Saatchi et al. (2014b); Akanno et al. (2018)
				Male Fertility; Female Fertility; Age At Puberty; Estrus Interval	Sahana et al. (2010); Liu et al. (2017); Cole et al. (2011); Fortes et al. (2013); Höglund et al. (2015); Galliou et al. (2020)
				Stature; Yearling Weight	Kim et al. (2003); Cole et al. (2011)
				Carcass Yield Grade; Marbling	McClure et al. (2010); Saatchi et al. (2014b)
14	23,618,905	95	36	Birth Weight; Calving Ease; Gestation Length; Stillbirth	Kneeland et al. (2004); Maltecca et al. (2008); Snelling et al. (2010); Pausch et al. (2011); Martínez et al. (2014); Saatchi et al. (2014b); Michenet et al. (2016); Akanno et al. (2018); Smith et al. (2020)
				Male Fertility; Female Fertility; Twinning	Cobanoglu et al. (2005); Schnabel et al. (2005); Fortes et al. (2013); Hawken et al. (2012); Irano et al. (2016); Mota et al. (2017); Oliveira et al. (2017); Kiser et al. (2019); Galliou et al. (2020); Oliveira et al. (2020)
				Feed Intake; Feed Efficiency; Growth Rate; Stature; Weaning Weight; Yearling Weight; Carcass Weight; Longissimus Dorsi Muscle Area	Spelman et al. (1999); Kneeland et al. (2004); McClure et al. (2010); Snelling et al. (2010); Saatchi et al. (2014a); Saatchi et al. (2014b); Sharma et al. (2014); Brunes et al. (2021); Naserkheil et al. (2020); Smith et al. (2020); Srikanth et al. (2020)
				Carcass Fat Thickness; Marbling	Casas et al. (2003); McClure et al. (2010); Bolormaa et al. (2011); Abo-Ismail et al. (2018)
				Tick Resistance	Gasparin et al. (2007)
18	17,910,562	43	25	Calving Ease; Stillbirth	Kühn et al. (2003); Seidenspinner et al. (2009); Höglund et al. (2012)
				Metabolic Body Weight; Mature Weight; Carcass Weight; Feed Efficiency; Yield Grade; Longissimus Dorsi Muscle Area	Casas et al. (2003); Sherman et al. (2009); McClure et al. (2010); Saatchi et al. (2014b); Seabury et al. (2017); Brunes et al. (2021)
				Immune function; M. Paratuberculosis Susceptibility; Bovine Tuberculosis Susceptibility	Leach et al. (2010); Küpper et al. (2014); Wang et al. (2015); Richardson et al. (2016)
				Beefmaster
1	147,006,366	180	41	Calving Ease; Stillbirth	Cole et al. (2011)
				Female Fertility; Estrus Interval	Cole et al. (2011); Melo et al. (2019)
				Growth Rate	Snelling et al. (2010); Seabury et al. (2017)
				Tick Resistance; Bovine Respiratory Disease Susceptibility	Mapholi et al. (2016); Sollero et al. (2017); Neupane et al. (2018)
3	19,496,709	33	19	Birth Weight; Gestation Length	Casas et al. (2003); McClure et al. (2010); Maltecca et al. (2011)
				Female Fertility	Cochran et al. (2013)
				Weaning Weight; Carcass Weight; Maturity Rate; Meat Yield	McClure et al. (2010); Doran et al. (2014); Saatchi et al. (2014b); Crispim et al. (2015)
				Carcass Fat Thickness	Casas et al. (2003)
				Bovine Tuberculosis Susceptibility	González-Ruiz et al. (2019)
11	63,278,614	74	45	Birth Weight; Calving Ease; Stillbirth	Cole et al. (2011); Sun et al. (2011)
				Male Fertility; Female Fertility; Estrus Interval	Höglund et al. (2009b); McClure et al. (2010); Kolbehdari et al. (2008)
				Body Size; Growth; Stature; Yearling Weight; Mature Weight; Carcass Weight	Snelling et al. (2010); McClure et al. (2010); Cole et al. (2011); Imumorin et al. (2011); Sun et al. (2011)
				Carcass Fatness; Marbling	Stone et al. (1999); McClure et al. (2010); Imumorin et al. (2011)
12	32,249,736	17	15	Calf Size; Calving Ease; Stillbirth	Sahana et al. (2011); Höglund et al. (2012)
				Age At Puberty	Stafuzza et al. (2019)
				Weaning Weight; Yearling Weight; Mature Weight; Carcass Weight; Mature Height	McClure et al. (2010); Saatchi et al. (2014b)
				Gastrointestinal Nematode Burden	Kim et al. (2013)
15	15,089,330	25	21	Birth Weight	McClure et al. (2010)
				Male Fertility	Druet et al. (2009); McClure et al. (2010)
				Growth; Yearling Weight; Longissimus Dorsi Muscle Area	McClure et al. (2010); Snelling et al. (2010); Li and Kim (2015); Li et al. (2017)
				Carcass Fatness	Casas et al. (2003); McClure et al. (2010)

^a1 Mb region centered on this coordinate.

^bQTL/Association records returned from CattleQTLdb (August 10, 2021).

^cNumber of traits influenced by QTL/Associations.

^dQTL for traits known to be selected in U. S. registered beef cattle for which taurine alleles are expected to have been selected.