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 10.19
Milk (kg) -195.00 -0.014 2.73
Fat (kg) -9.96 -0.375 3.73
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 3.94
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 3.78
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -3.37 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 19.50

* Based on an €80/tonne carbon price