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 3.91
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -3.79 -0.375 1.42
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index 8.78
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) 2.06 1.117 2.30
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.54
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 20.57

* Based on an €80/tonne carbon price