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 3.17
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 4.30
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 0.94 1.117 1.05
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index 5.67
Carcass Weight (kg) -9.50 -0.528 5.01
Age of Slaughter (days) -1.52 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 6.71
Live WT (kg) -21.90 -0.307 6.71
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price