Table 2.

Parameters and the percentage variation of the nutritional contents of samples of cattle (COW) and horse dung (HOR), autoclaved and non-autoclaved, used to evaluate the decomposition rate.

Parameter	t = 0 days1		t = 206 days				Variation (%)
	cow	hor	cowa	hora	cown	horn	∆cowa	∆hora	∆cown	∆horn
Crude protein (%)	12.5	10.4	11.3	10	8.2	13.2	10.6	4	52.4	27
Ethereal extract (%)	1.8	2	1.5	1.1	1.1	1.5	20	81.8	63.6	33.3
Crude fiber (%)	13	21	14.5	19.9	13.2	15.7	11.5	5.5	1.5	33.7
Mineral material (%)	15	15	22.1	26	24.5	25.9	47.3	73.3	63.3	72.6
NDT* (in natura) (%)	59.5	53.7	58.9	50.4	57.5	54.3	1	6.1	3.4	1.1
NDT* (dry matter) (%)	66.9	60.3	58.9	50.4	57.5	54.3	13.5	16.4	16.3	11
Ca (%)	1.6	1	1.1	0.49	0.78	0.50	45.5	104	105	100
P (%)	0.96	0.52	0.3	0.25	0.27	0.24	176	51.9	255.5	116.6
N (%)	2	1.66	1.8	1.60	1.3	2.1	11.1	3.6	53.8	26.5
K (%)	0.48	0.7	0.07	0.10	0.17	0.09	585	85.7	182.3	677.7
Mg (%)	0.57	0.3	0.25	0.20	0.25	0.21	128	33.3	128	42.8
S (%)	0.15	0.12	0.25	135	0.30	0.19	66.6	112,400	100	58.3
Na (mg/kg)	130	120	120	0	151	122	8.3	100	16.2	1.6
Cu (mg/kg)	12	18	50	42	79	29	316	133.3	558.3	61.1
Fe (mg/kg)	2,400	1,800	10,700	12,000	14,500	15,000	345	566.7	504.2	733.3
Mn (mg/kg)	380	320	395	240	330	210	3.9	33.3	15.2	52.3
Zn (mg/kg)	150	80	100	96	120	90	50	20	25	12.5
B (mg/kg)	0.6	0.4	55	50	61	64	9,066	12,400	10,066	15,900

COWa: autoclaved bovine dung; HORa: autoclaved equine dung; COWn: non-autoclaved bovine dung; HORn: non-autoclaved equine dung.

*Total digestible nutrients (NDT) = digestive protein + crude fiber + digestive ethereal extract + non-nitrogenous digestive extract. Units conversion: (%) = g/Kg / 10; Dry matter (%) = 100 – humidity; crude protein = N_total × 6.25. ∆: percentage variation of nutritional contents at t = 206.