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 1.29
Milk (kg) -97.00 -0.014 1.36
Fat (kg) 1.51 -0.375 -0.57
Prot (kg) -1.12 -0.441 0.49
Fertility Sub Index 7.17
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) 1.82 1.117 2.03
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.19
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -2.50 -0.432 1.08
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price