Suggested guidelines for the diagnosis and management of urea cycle disorders

Table 7 Selected values from FAO/WHO/UNU safe levels of protein intake and energy requirements of children and adults, as well as during pregnancy and lactation, for the healthy population[109]

PROTEIN INTAKE			ENERGY REQUIREMENTS
Age	Intake		Age	Females	Males	Females	Males
months	g/kg bw/day		years	kJ/kg bw/day		kcal/kg bw/day
1			0.5	340	335	81.3	80.0
2	1.50		2.5	334	348	79.8	83.2
3	1.36		5.0	305	315	72.9	75.3
6			10	248	275	59.3	65.7
12	1.14		15	193	230	46.1	55.0
*years*
1.5	1.03		Adults, moderate activity level, 70kg body weight
2	0.97
3	0.90		18-29	159	183	38.0	43.7
4-6	0.87		30-59	148	175	35.4	41.8
7-10	0.92
	Females	Males	Adults, moderate activity level, 50kg body weight
years
11	0.90	0.91	18-29	180	212	43.0	50.7
12	0.89	0.90	30-59	183	212	43.7	50.7
13	0.88	0.90
14	0.87	0.89	Pregnancy total extra energy requirements
15	0.85	0.88	*trimester*	*kJ/day*		*kcal/day*
16	0.84	0.87	1st	375		90
17	0.83	0.86	2nd	1200		287
18	0.82	0.85	3rd	1950		466
> 18	0.83	0.83
			Lactation total extra energy requirements
Pregnancy:			*months*	*kJ/day*		*kcal/day*
Total extra protein intake
*trimester*	*g/day*		1-6	2800		669
1st	1		>6	1925		460
2nd	10
3rd	31
Lactation:
Total extra protein intake
*months*	*g/day*
1- 6	19
> 6	13

ISSN: 1750-1172