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 5.09
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index 4.00
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.19
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 5.07 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 10.47

* Based on an €80/tonne carbon price