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 9.56
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -9.00 -0.375 3.37
Prot (kg) -9.26 -0.441 4.09
Fertility Sub Index 7.66
Calving Interval (days) -4.43 -1.459 6.46
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.28
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price