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 4.69
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -2.95 -0.375 1.10
Prot (kg) -6.83 -0.441 3.01
Fertility Sub Index 3.36
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.25
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 4.73 -0.432 -2.04
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 7.49

* Based on an €80/tonne carbon price