Assessment of residual body weight gain and residual intake and body weight gain as feed efficiency traits in the turkey (Meleagris gallopavo)

Table 7 Daily feed intake (DFI), average daily gain (ADG), days to achieve 5 kg body weight gain (WG) and feed intake to achieve 5 kg body weight gain for the top 1% and 5% of 8340 tom turkeys ranked on different feed efficiency traits

Trait¹	DFI (kg)	ADG (kg)	Days to achieve 5 kg weight gain²	Feed intake (kg) to achieve 5 kg weight gain³
Top 1% (n = 84)
RFI (kg)	0.51	0.24	21	10.87
RG (kg)	0.60	0.30	17	10.03
RIG	0.56	0.28	18	10.07
RIG2	0.58	0.29	17	9.95
RIG3	0.55	0.27	19	10.20
FCR (kg/kg)	0.58	0.30	17	9.73
Top 5% (n = 417)
RFI (kg)	0.60	0.24	21	12.52
RG (kg)	0.67	0.29	17	11.48
RIG	0.64	0.28	18	11.49
RIG2	0.65	0.29	17	11.39
RIG3	0.63	0.27	18	11.66
FCR (kg/kg)	0.65	0.29	17	11.04
Bottom 5% (n = 417)
RFI (kg)	0.82	0.24	21	17.18
RG (kg)	0.65	0.15	34	22.36
RIG	0.76	0.20	26	19.41
RIG2	0.72	0.17	29	20.63
RIG3	0.79	0.22	23	18.37
FCR (kg/kg)	0.62	0.12	41	25.57

¹Residual feed intake (RFI), residual body weight gain (RG), residual intake and body weight gain (RIG, RIG2 and RIG3), feed conversion ratio (FCR), average daily gain (ADG), daily feed intake (DFI); ²days to achieve 5 kg body weight gain (based on respective ADG); ³feed intake to achieve 5 kg body weight gain (days to achieve 5 kg body weight gain multiplied by DFI).

ISSN: 1297-9686