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 11.93
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -11.27 -0.375 4.22
Prot (kg) -11.86 -0.441 5.23
Fertility Sub Index 1.06
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -0.14
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index 9.84

* Based on an €80/tonne carbon price