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 9.08
Milk (kg) -241.00 -0.014 3.37
Fat (kg) -7.88 -0.375 2.95
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 7.14
Calving Interval (days) -4.00 -1.459 5.84
Survival (%) 1.17 1.117 1.31
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.36
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -1.82 -0.432 0.79
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 18.02

* Based on an €80/tonne carbon price