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 4.30
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -5.19 -0.441 2.29
Fertility Sub Index 6.16
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.21
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 15.41

* Based on an €80/tonne carbon price