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 3.78
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 2.88
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) -0.62 1.117 -0.69
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 2.19
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 12.60

* Based on an €80/tonne carbon price