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 5.03
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -1.76 -0.375 0.66
Prot (kg) -3.95 -0.441 1.74
Fertility Sub Index 3.26
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) 0.31 1.117 0.35
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 6.10
Carcass Weight (kg) -12.00 -0.528 6.33
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 8.00
Live WT (kg) -26.10 -0.307 8.00
Total Carbon Sub Index 23.52

* Based on an €80/tonne carbon price