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 9.36
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -9.70 -0.375 3.63
Prot (kg) -7.15 -0.441 3.16
Fertility Sub Index 2.21
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 1.59 1.117 1.78
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index -4.09
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 5.08 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price