Genetic parameters for automatically-measured vaginal temperature, respiration efficiency, and other thermotolerance indicators measured on lactating sows under heat stress conditions

Table 1 Total number of records, number of animals, and effects for each trait measured in lactating sows under heat stress conditions

Trait	Number of records	Number of animals with records	Systematic effects	Random effects
T_ES	25,568	1645	TREC, WDT, PAR, DIL, LOC, CLIM	a, pe
T_SS	25,572	1645	TREC, WDT, PAR, DIL, LOC, CLIM	a, pe
T_RS	25,571	1643	TREC, WDT, PAR, DIL, LOC, CLIM	a, pe
T_TS	25,570	1643	TREC, WDT, PAR, DIL, LOC, CLIM	a, pe
T_Vall	932,926	1381	WD, PAR, LOC, CLIM	a, pe
T_V4days	21,415	1381	WDT, PAR, DIL, LOC, CLIM	a, pe
T_V8h	5358	1381	WD, PAR, DIL, LOC, CLIM	a, pe
T_V12h	5349	1381	WD, PAR, DIL, LOC, CLIM	a, pe
T_V16h	5359	1381	WD, PAR, DIL, LOC, CLIM	a, pe
T_V20h	5349	1381	WD, PAR, DIL, LOC, CLIM	a, pe
T_V8hS	1381	1381	W, PAR, DIL, LOC, CLIM	a
T_V12hS	1381	1381	W, PAR, DIL, LOC, CLIM	a
T_V16hS	1381	1381	W, PAR, DIL, LOC, CLIM	a
T_V20hS	1381	1381	W, PAR, DIL, LOC, CLIM	a
RR	25,815	1643	TREC, WDT, PAR, DIL, LOC, CLIM	a, pe
PS	6577	1642	TREC, WD, PAR, DIL, LOC, CLIM	a, pe
R_eff	1381	1381	PAR	a
BCS_Cal	1615	1615	TREC, W, PAR, LOC, DIL	a
BCS_Vis	1598	1598	TREC, W, PAR, LOC, DIL	a
HD	1344	1344	TREC, PAR	a
BS	1639	1639	TREC, W, PAR	a
EA	705	705	TREC, PQ	a
EL	713	713	TREC, PQ	a

T_ES ear skin temperature (°C), T_SS shoulder skin temperature (°C), T_RS rump skin temperature (°C), T_TS tail skin temperature (°C), T_V4all all measures (every 10 min) of vaginal temperatures during 4 days (°C), T_V4days four time-point measures of vaginal temperatures during 4 days (°C), T_V8h vaginal temperature measured at 8:00 h, during 4 days (°C), T_V12h: vaginal temperature measured at 12:00 h, during 4 days (°C), T_V16h vaginal temperature measured at 16:00 h, during 4 days (°C), T_V20h vaginal temperature measured at 20:00 h, during 4 days, RR (°C): respiration rate/minute, PS panting score; R_eff respiration efficiency, BCS_Cal caliper body condition score, BCS_Vis visual body condition score, HD hair density score, BS body size score, EA ear area (cm²), EL ear length (cm)
TREC trait recorder, WDT concatenation of week, day, and time of measurement, WD concatenation of week and day of measurement, W week of measurement, PAR parity, DIL days in lactation, LOC concatenation of barn type and room, CLIM in-barn environmental variable, PQ picture quality (e.g., hole, missing piece) a random animal genetic effect, pe random permanent environmental effect

ISSN: 1297-9686