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 4.85
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 3.26
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 0.26
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 8.94

* Based on an €80/tonne carbon price