Table 6.

Daily carbon and nitrogen balance (g/kg of BW^0.75) of Murciano-Granadina goats (n = 10) during late-lactation according to the type of diet

	Diet2
Item1	CON	POS	SEM	P-value
Cintake	43.1	41.7	0.47	0.123
Cfeces	13.6	12.6	0.72	0.472
Curine	0.9	1.1	0.06	0.110
C excretion	28.6	28.0	0.92	0.782
CCO2	15.3	14.7	0.23	0.220
CCH4	1.3	1.1	0.03	0.023
C waste	31.1	29.5	0.78	0.324
Cmilk	8.9	10.0	0.28	0.040
Cbody retained	3.1	2.2	0.83	0.567
Nintake	3.6	3.5	0.04	0.252
Nfeces	0.7	0.7	0.04	0.976
Nurine	0.5	0.6	0.04	0.204
N excretion	1.3	1.4	0.04	0.298
Nmilk	0.7	0.8	0.02	0.017
Nbody retained3	1.7	1.4	0.07	0.046
REprotein, kJ/kg of BW0.75	176	147	0.0	0.001
REfat, kJ/kg of BW0.75	−115	−119	0.5	0.095
Retained body protein, g/d	187	164	7.8	0.118
Retained body fat, g/d	−51	−56	17.2	0.929

¹C_intake, C intake; C_feces, C losses in feces; C_urine, C losses in urine; C_CO2, C losses in CO₂; C_CH4, C losses in methane; C_milk, recovered C in milk; C_{body retained}, recovered C in tissue; N_intake, N intake; N_feces, N losses in feces; N_urine, N losses in urine; N_milk, recovered N in milk; N_{body retained}, recovered N in tissue; RE, energy retention.

²CON, control; POS, postbiotic.

³N_{body retained} is apparently retained.