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 8.38
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -5.95 -0.441 2.63
Fertility Sub Index 5.79
Calving Interval (days) -3.64 -1.459 5.31
Survival (%) 0.43 1.117 0.48
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index 2.66
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 22.26

* Based on an €80/tonne carbon price