Table 1.

Summary statistics for the studies reproductive traits (n = 40,262)

Trait	Mean	SD	Min	Max	Skew	Kurtosis
TNB	13.84	3.56	1	29	−0.37	0.52
NBA	12.22	3.63	0	27	−0.66	0.99
BALWT	14.95	4.79	0	37.2	−0.26	0.51
NHB	10.35	3.15	0	23	−0.80	1.24
NWB	1.64	1.74	0	18	1.54	3.75
NDF	0.23	0.61	0	13	4.27	34.96
NSB	1.19	1.79	0	21	3.15	16.39
MUMM	0.43	1.00	0	23	5.71	62.11