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 15.31
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -13.60 -0.375 5.09
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index 7.40
Calving Interval (days) -4.36 -1.459 6.36
Survival (%) 0.93 1.117 1.04
Calving Sub Index -2.07
Gestation Length (days) 2.25 -0.919 -2.07
Beef Sub Index 3.17
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) -2.10 -0.432 0.91
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 26.58

* Based on an €80/tonne carbon price