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 3.85
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -3.01 -0.375 1.13
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 3.74
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 5.66
Carcass Weight (kg) -10.10 -0.528 5.33
Age of Slaughter (days) -0.78 -0.432 0.34
Maintenance Sub Index Maint. Sub Index 7.97
Live WT (kg) -26.00 -0.307 7.97
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price