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) -41.00 -0.014 0.57
Fat (kg) 2.37 -0.375 -0.89
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index -1.87
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) -0.20 1.117 -0.22
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 1.80
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 3.01

* Based on an €80/tonne carbon price