Table 2. Mean daily protein and amino acid intakes by UPLC over 12 weeks in kittens supplemented with additional choline at 300 mg/kg BW^0.75 (CHOLINE, n = 8) compared to a control group (CONTROL, n = 7) fed only the base diet.

	CHOLINE (n = 8)		CONTROL (n = 7)		P Values
	LSM	SEM	LSM	SEM	PGroup	PTime	PGroup*Time
Protein Intake (g/kg BW/d)	6.90	0.06	7.47	0.06	<0.0001	<0.0001	0.989
Alanine (g/kg BW/d)	0.45	0.01	0.48	0.01	<0.0001	<0.0001	0.996
Arginine (g/kg BW/d)	0.48	0.01	0.51	0.01	<0.0001	<0.0001	0.994
Aspartic Acid (g/kg BW/d)	0.61	0.02	0.66	0.02	<0.0001	<0.0001	0.996
Glutamine (g/kg BW/d)	0.96	0.03	1.04	0.03	<0.0001	<0.0001	0.996
Glycine (g/kg BW/d)	0.67	0.02	0.72	0.02	<0.0001	<0.0001	0.996
Histidine (g/kg BW/d)	0.16	0.005	0.17	0.005	<0.0001	<0.0001	0.996
Isoleucine (g/kg BW/d)	0.27	0.008	0.29	0.009	<0.0001	<0.0001	0.996
Leucine (g/kg BW/d)	0.50	0.02	0.54	0.02	<0.0001	<0.0001	0.996
Lysine (g/kg BW/d)	0.41	0.01	0.44	0.01	<0.0001	<0.0001	0.996
Phenylalanine (g/kg BW/d)	0.31	0.01	0.33	0.01	<0.0001	<0.0001	0.989
Proline (g/kg BW/d)	0.49	0.01	0.53	0.02	<0.0001	<0.0001	0.996
Serine (g/kg BW/d)	0.29	0.01	0.32	0.01	<0.0001	<0.0001	0.996
Threonine (g/kg BW/d)	0.27	0.01	0.29	0.01	<0.0001	<0.0001	0.996
Tyrosine (g/kg BW/d)	0.23	0.01	0.25	0.01	<0.0001	<0.0001	0.996
Valine (g/kg BW/d)	0.31	0.01	0.34	0.01	<0.0001	<0.0001	0.996
Methionine (g/kg BW/d)	0.15	0.004	0.16	0.005	<0.0001	<0.0001	0.996
Cysteine (g/kg BW/d)	0.25	0.008	0.28	0.008	<0.0001	<0.0001	0.996
Tryptophan (g/kg BW/d)	0.023	0.0001	0.025	0.0007	<0.0001	<0.0001	0.996
Taurine (g/kg BW/d)	0.046	0.001	0.049	0.001	<0.0001	<0.0001	0.996

LSM, least square means; SEM, standard error of the mean