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 2.36
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -1.97 -0.375 0.74
Prot (kg) 0.09 -0.441 -0.04
Fertility Sub Index 3.56
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 2.76 1.117 3.08
Calving Sub Index -1.27
Gestation Length (days) 1.38 -0.919 -1.27
Beef Sub Index -3.48
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 5.98 -0.432 -2.58
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 2.93

* Based on an €80/tonne carbon price