Table 2. Least squares mean of traits for generations over the entire post-inoculation period with its standard error (lsmean, SE), traits linear regression slopes (b) on the days post-inoculation with its level of significance, and minimum and maximum daily standard deviation (SD, min-max).

Traits		129/Sv	SJL/J	F1	F2
BW (%)	lsmean, SE	94 (0.005)	99 (0.007)	95.4 (0.004)	97.8 (0.003)
BW	b	−1.7***	−0.5**	−1.4***	−0.6***
BW	SD, min-max	3.19–4.69	1.86–5.81	2.17–4.08	3.83–6.6
EB (%)	lsmean, SE	53 (0.008)	65 (0.004)	56 (0.005)	53 (0.003)
EB	b	−3.8***	0.2 NS	−4.0***	−3.5***
EB	SD, min-max	5–13	2.6–4.4	4.8–12.3	4.6–15.8
MV (ml/min)	lsmean, SE	49.9 (1.33)	55.0 (1.32)	51.8 (0.64)	51.0 (0.42)
MV	b	−0.22NS	1.40***	1.17***	−0.08NS
MV	SD, min-max	7.48–16.32	6.68–16.15	7.15–16.05	10.29–15.02
RR (min−1)	lsmean, SE	252 (5.0)	290 (4.1)	259 (2.6)	269 (1.8)
RR	b	15.0***	9.3***	17.4***	17.1***
RR	SD, min-max	24.53–68.29	21.97–44.08	14.53–64.75	23.86–77.32
TV (ml)	lsmean, SE	0.202 (0.003)	0.188 (0.003)	0.202 (0.002)	0.195 (0.002)
TV	b	−0.012***	−0.0015NS	−0.009***	−0.011***
TV	SD, min-max	0. 026–0.04	0.021–0.036	0.025–0.063	0.039–0.049

BW, relative body weight; EB, expiratory balance; MV, minute volume; RR, respiratory rate; TV, tidal volume.

^***, p<0.001;

^**, p<0.01. NS, non significant.