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 -3.27
Milk (kg) 72.00 -0.014 -1.01
Fat (kg) 0.74 -0.375 -0.28
Prot (kg) 4.49 -0.441 -1.98
Fertility Sub Index -1.84
Calving Interval (days) 0.46 -1.459 -0.67
Survival (%) -1.05 1.117 -1.17
Calving Sub Index 2.14
Gestation Length (days) -2.33 -0.919 2.14
Beef Sub Index -2.92
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 4.08 -0.432 -1.76
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index -3.31

* Based on an €80/tonne carbon price