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 5.40
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -6.97 -0.375 2.61
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 3.61
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 1.36 1.117 1.52
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.07
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 13.01

* Based on an €80/tonne carbon price