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 15.90
Milk (kg) -504.00 -0.014 7.06
Fat (kg) -8.90 -0.375 3.33
Prot (kg) -12.49 -0.441 5.51
Fertility Sub Index 4.78
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 1.68 1.117 1.88
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.05
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 8.19 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 9.01
Live WT (kg) -29.40 -0.307 9.01
Total Carbon Sub Index 30.59

* Based on an €80/tonne carbon price