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 9.64
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -13.20 -0.375 4.94
Prot (kg) -7.32 -0.441 3.23
Fertility Sub Index 8.42
Calving Interval (days) -5.87 -1.459 8.56
Survival (%) -0.13 1.117 -0.15
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index 1.48
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 23.57

* Based on an €80/tonne carbon price