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 24.31
Milk (kg) -432.00 -0.014 6.05
Fat (kg) -22.70 -0.375 8.50
Prot (kg) -22.11 -0.441 9.76
Fertility Sub Index 2.53
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.08 1.117 0.09
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index 0.38
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 32.05

* Based on an €80/tonne carbon price