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 12.86
Milk (kg) -325.00 -0.014 4.55
Fat (kg) -8.91 -0.375 3.34
Prot (kg) -11.26 -0.441 4.97
Fertility Sub Index 5.08
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 0.67 1.117 0.75
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.11
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -3.18 -0.432 1.37
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 25.17

* Based on an €80/tonne carbon price