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 5.23
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -2.52 -0.375 0.94
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index 3.88
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 1.26
Carcass Weight (kg) -9.70 -0.528 5.12
Age of Slaughter (days) 8.93 -0.432 -3.86
Maintenance Sub Index Maint. Sub Index 10.64
Live WT (kg) -34.70 -0.307 10.64
Total Carbon Sub Index 21.78

* Based on an €80/tonne carbon price