. 2019 Oct 22;9(10):851. doi: 10.3390/ani9100851

Table 6.

Parameters of gas production kinetics (A, c and AGPR) after 144 h of in vitro incubation of diets containing 50% of oat hay and 50% of concentrate either including no seaweeds (control) or different seaweed species harvested in spring and autumn in northern Norway ¹.

Seaweed Species	Harvesting Season	Concentrate	A (ml)	c (h⁻¹)	AGPR (ml/h)
-	-	Control	138 ^a	0.050 ^b	4.98 ^b
Alaria esculenta	Spring	AS	134 ^a	0.044 ^a	4.30 ^a
	Autumn	AA	138 ^a	0.043 ^a	4.28 ^a
Laminaria digitata	Spring	LS	131 ^a	0.040 ^a	3.78 ^a
	Autumn	LA	133 ^a	0.042 ^a	4.03 ^a
Pelvetia canaliculata	Spring	PS	136 ^a	0.041 ^a	4.02 ^a
	Autumn	PA	129 ^a	0.041 ^a	3.82 ^a
Saccharina latissima	Spring	SS	133 ^a	0.043 ^a	4.13 ^a
	Autumn	SA	137 ^a	0.043 ^a	4.25 ^a
Mastocarpus stellatus	Spring	MS	135 ^a	0.044 ^a	4.28 ^a
	Autumn	MA	131 ^a	0.043 ^a	4.03 ^a
Palmaria palmata	Spring	PPS	135 ^a	0.045 ^a	4.38 ^a
	Autumn	PPA	145 ^b	0.047 ^ab	4.92 ^b
Porphyra sp.	Spring	POS	147 ^b	0.041 ^a	4.35 ^a
	Autumn	POA	148 ^b	0.042 ^a	4.48 ^a
Cladophora rupestris	Spring	CS	146 ^b	0.041 ^a	4.35 ^a
	Autumn	CA	149 ^b	0.040 ^a	4.30 ^a
p value			<0.001	0.033	0.215
SEM			0.56	0.0014	0.098

^a-b For each parameter, the mean values for each diet not sharing the same superscript differ (p < 0.05). ¹A: asymptotic gas production; c: rate of gas production; AGPR: average gas production rate. The values of lag were 0 for all samples. Data are expressed per 0.5 g DM fermented.