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 3.40
Milk (kg) -186.00 -0.014 2.60
Fat (kg) 0.73 -0.375 -0.27
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index 8.74
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 4.23 1.117 4.73
Calving Sub Index 3.94
Gestation Length (days) -4.29 -0.919 3.94
Beef Sub Index 1.28
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 21.03

* Based on an €80/tonne carbon price