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 22.85
Milk (kg) -356.00 -0.014 4.98
Fat (kg) -25.17 -0.375 9.43
Prot (kg) -19.13 -0.441 8.44
Fertility Sub Index 7.77
Calving Interval (days) -4.63 -1.459 6.76
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.15
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 34.85

* Based on an €80/tonne carbon price