Table 2. Influence of crating density and weather conditions on blood metabolites of broilers during transportation.

Crating density¹⁾	Weather²⁾	Cortisol (ng/mL)	Glucose (mg/dL)	Lactate (ng/µL)
Low	Low	36.07^b	204.84^c	4.26^bc
Medium		30.83^ab	194.54^bc	4.46^c
High		23.21^a	184.39^bc	3.93^b
Low	High	27.48^ab	122.35^a	1.52^a
Medium		28.83^ab	149.55^ab	1.54^a
High		31.97^ab	202.37^c	1.50^a
SEM		0.939	4.974	0.034
Main effect
Crating density
Low		31.77	163.59	2.89^ab
Medium		29.83	172.04	3.00^b
High		27.59	193.38	2.71^a
SEM		1.626	8.615	0.059
Weather
Low		30.04	194.59	4.21
High		29.43	158.09	1.52
SEM		1.327	7.034	0.048
p-value
Crating density		0.208	0.056	0.006
Weather		0.748	0.001	< 0.001
Crating density × weather		0.003	0.001	0.019

Low, 20 birds/crate (0.039 m²/bird); Medium, 25 birds/crate (0.031 m²/bird); High, 30 birds/crate (0.026 m²/bird).
Low, low air temperature (−1°C); High, high air temperature (30°C).
Values with different superscripts in the same row were significantly different (p < 0.05).