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 2.45
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -2.34 -0.375 0.88
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index 5.66
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 0.98 1.117 1.09
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 0.27
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 11.54

* Based on an €80/tonne carbon price