Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 13.67
Milk (kg) -340.00 -0.014 4.76
Fat (kg) -15.28 -0.375 5.72
Prot (kg) -7.22 -0.441 3.19
Fertility Sub Index 5.78
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 1.63 1.117 1.82
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.84
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 8.04 -0.432 -3.47
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 20.87

* Based on an €80/tonne carbon price