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 6.20
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 3.69
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) -0.48 1.117 -0.54
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index -0.02
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -1.05 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 12.60

* Based on an €80/tonne carbon price