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 -2.10
Milk (kg) 36.00 -0.014 -0.50
Fat (kg) 3.75 -0.375 -1.40
Prot (kg) 0.44 -0.441 -0.19
Fertility Sub Index 2.33
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) 2.74 1.117 3.06
Calving Sub Index -2.59
Gestation Length (days) 2.82 -0.919 -2.59
Beef Sub Index -0.34
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -1.66 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 0.82

* Based on an €80/tonne carbon price