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 8.28
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -8.95 -0.375 3.35
Prot (kg) -7.46 -0.441 3.29
Fertility Sub Index 1.65
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) 1.03 1.117 1.15
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index -1.33
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 9.21

* Based on an €80/tonne carbon price