Table A.1.

Potassium‐requirements/allowances/recommendations for target species

Target species	Source	Data‐type	Dimension	K requirement	K (%) in complete feed (1)	KCl (%) in complete feed
Chicken for fattening	NRC (1994)	Requirements	% complete feed (90% DM (2) )	0.20	0.20	0.38
Laying hen				0.19	0.19	0.36
Turkey for fattening				0.17	0.17	0.32
Piglet	NRC (2012)	Requirements	% complete feed (90% DM)	0.26	0.25	0.48
Pig for fattening				0.19	0.19	0.36
Sow				0.20	0.20	0.38
Calf (milk replacer)	NRC (2001)	Recommendation	% in DM	0.65	0.61	1.16
Dairy cow	NRC (2001)	Requirements derived from model diets	% in DM	1.03	0.91	1.73
Cattle for fattening	NRC (2016)	Requirements	% in DM	0.60	0.53	1.01
Sheep	NRC (2007)	Requirements	% in DM	0.45	0.40	0.76
Goat				0.49	0.43	0.82
Horse, work	FND (2016)	Exemplary ration	g/day	62	0.62	1.18
Rabbit	NRC (1977)	Adequate level	% in diet	0.6	0.6	1.14
Salmonids	Philip et al. (2022)	Trouw premix composition	% in diet	0.45	0.45	0.86
Dog	FEDIAF (2019)	Recommendation	g/100 g DM	0,58	0.51	0.97
Cat				0,80	0.70	1.33

⁽¹⁾: Complete feed with 88% DM (milk replacer 94.5%).

⁽²⁾: DM: dry matter.