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 4.25
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -2.28 -0.375 0.85
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index 7.03
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.87 1.117 0.97
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index -0.50
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) -1.40 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 13.81

* Based on an €80/tonne carbon price