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 2.91
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -2.61 -0.441 1.15
Fertility Sub Index 3.03
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) 0.78 1.117 0.87
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index -0.02
Carcass Weight (kg) -2.55 -0.528 1.35
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 3.97
Live WT (kg) -12.95 -0.307 3.97
Total Carbon Sub Index 11.56

* Based on an €80/tonne carbon price