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 9.98
Milk (kg) -255.00 -0.014 3.57
Fat (kg) -7.82 -0.375 2.93
Prot (kg) -7.89 -0.441 3.48
Fertility Sub Index 1.46
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.13
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 12.22

* Based on an €80/tonne carbon price