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 30.54
Milk (kg) -687.00 -0.014 9.62
Fat (kg) -26.17 -0.375 9.80
Prot (kg) -25.19 -0.441 11.12
Fertility Sub Index 4.55
Calving Interval (days) -3.06 -1.459 4.46
Survival (%) 0.08 1.117 0.09
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 1.66
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 40.57

* Based on an €80/tonne carbon price