Effect of recent and ancient inbreeding on production and fertility traits in Canadian Holsteins

BMC Genomics

Table 1 Descriptive statistics of the evaluated traits, including number of records, mean, standard deviation, minimum and maximum number of observations

Traits^a	N	Mean	SD	Min	Max
MY (kg)	21,194	9074	1732.22	1140	17,542
FY (kg)	21,194	362	73.85	39	919
PY (kg)	21,194	295.50	54.58	39	603
AFS_H (day)	33,610	449.20	49.16	274	639
NS_H	33,610	1.59	0.93	1	7
NRR_H	33,610	0.69	0.46	0	1
FSTC_H (day)	33,610	19.32	33.37	0	205
CTFS_C (day)	19,338	79.88	24.11	20	243
NS_C	19,338	1.98	1.25	1	10
NRR_C	19,338	0.55	0.50	0	1
FSTC_C (day)	19,338	32.75	43.80	0	206

^a MY milk yield, FY fat yield, PY protein yield, AFS_H age at first service for heifers, NS_H number of service for heifers, NRR_H 56-day non-return rate for heifers, FSTC_H first service to conception for heifers, CTFS_C conception to first service for cows, NS_C number of service for cows, NRR_C 56-day non-return rate for cows, FSTC_C first service to conception for cows

ISSN: 1471-2164