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 2.16
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 4.19 -0.375 -1.57
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 4.65
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 1.03 1.117 1.15
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 4.94
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) -2.64 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 14.53

* Based on an €80/tonne carbon price