Table 5.

Effects of treatment (noninjected; diluent-injected; injected with 2.4 μg of vitamin D₃ (D₃) or 25-hydroxycholecalciferol (25OHD₃); and 2.4 μL D₃ and 25OHD₃) on absolute carcass weight, and weights of pectoralis major (P-major) and minor (P-minor) muscle, breast, wing, leg, thighs, and abdominal fat pad parts relative to carcass weight at 42 d of age (doa).

In ovo injection treatment	N	Carcass (kg)	P-major (%)	P-minor (%)	Breast (%)	Wings (%)	Legs (%)	Thighs (%)	Fat (%)
Diluent1	47	2,062	28.2	5.72	33.9	10.7	13.5	17.4	1.54
D32	47	2,072	28.1	5.78	33.9	10.5	13.4	17.4	1.61
25OHD33	47	2,168	30.0	5.85	35.9	10.6	13.4	17.3	1.55
D3+25OHD34	47	2,153	29.2	5.64	34.8	10.3	13.1	16.7	1.58
Pooled SEM		48.0	2.87	0.130	0.89	0.19	0.25	0.36	0.083
P-value		0.058	0.059	0.540	0.085	0.563	0.632	0.434	0.937

¹Eggs injected with 50 μL of commercial diluent at d 18 of incubation (doi) and the subsequent coccidiosis challenge of chicks at 14 doa.

²Eggs injected with 50 μL of commercial diluent containing 2.4 μg of vitamin D₃ at 18 doi and the subsequent coccidiosis challenge of chicks at 14 doa.

³Eggs injected with 50 μL of commercial diluent containing 2.4 μg of 25OHD₃ at 18 doi and the subsequent coccidiosis challenge of chicks at 14 doa.

⁴Eggs injected with of 50 μL of commercial diluent containing 2.4 μg of D₃ and 2.4 μg of 25OHD₃ at 18 doi and the subsequent coccidiosis challenge of chicks at 14 doa.