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 7.12
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index 0.78
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 9.50

* Based on an €80/tonne carbon price