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 -1.34
Milk (kg) 43.00 -0.014 -0.60
Fat (kg) 4.76 -0.375 -1.78
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index -3.15
Calving Interval (days) 1.69 -1.459 -2.47
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 1.79
Gestation Length (days) -1.95 -0.919 1.79
Beef Sub Index -2.20
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.55 -0.432 -3.26
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -3.98

* Based on an €80/tonne carbon price