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 2.44
Milk (kg) -145.00 -0.014 2.03
Fat (kg) 3.08 -0.375 -1.15
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 4.99
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 1.07 1.117 1.20
Calving Sub Index 1.34
Gestation Length (days) -1.46 -0.919 1.34
Beef Sub Index 4.07
Carcass Weight (kg) -11.50 -0.528 6.07
Age of Slaughter (days) 4.63 -0.432 -2.00
Maintenance Sub Index Maint. Sub Index 8.03
Live WT (kg) -26.20 -0.307 8.03
Total Carbon Sub Index 20.87

* Based on an €80/tonne carbon price