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 -6.57
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 13.50 -0.375 -5.06
Prot (kg) 3.26 -0.441 -1.44
Fertility Sub Index -4.49
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -1.24 1.117 -1.39
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -1.25
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) -0.29 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index -11.88

* Based on an €80/tonne carbon price