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 -1.31
Milk (kg) 98.00 -0.014 -1.37
Fat (kg) 1.86 -0.375 -0.70
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index -4.99
Calving Interval (days) 3.09 -1.459 -4.51
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index -1.80
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 4.53 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index -2.58
Live WT (kg) 8.40 -0.307 -2.58
Total Carbon Sub Index -9.28

* Based on an €80/tonne carbon price