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 10.12
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.42 -0.375 2.03
Prot (kg) -13.63 -0.441 6.02
Fertility Sub Index -0.05
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.22
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 9.98

* Based on an €80/tonne carbon price