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 6.29
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -5.67 -0.375 2.12
Prot (kg) -5.99 -0.441 2.64
Fertility Sub Index 6.59
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.06
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 17.07

* Based on an €80/tonne carbon price