Meat Production in a Feedlot System of Zebu—Holstein Steers and Heifers with Dairy Genetics: Productive and Biological Analyses

Table 5

Chemical composition (%) of steers and heifers from dairy origins finished in a feedlot, expressed in percentage of the carcasses.

	Days in feedlot (steer)						Days in feedlot (heifer)
	0	30	60	90	120	Maintenance	0	30	60	90	120	Maintenance
Chemical composition of the empty body weight (%)
CP	12.67	14.59	16.64	17.50	22.09	16.16	13.42	16.79	20.90	20.52	25.09	16.25
EE	16.29	15.18	15.91	15.60	15.56	17.10	16.52	15.91	15.67	15.73	15.23	16.76
Ash	3.32	2.26	2.01	2.56	2.10	2.57	3.22	2.37	2.40	2.07	2.45	2.88
Water	67.72	67.97	65.44	64.34	60.25	64.17	66.85	64.94	61.03	61.68	57.23	63.12

CP: crude protein; EE: ether extract; ash and water are the proportion in percentage of the components in carcasses.