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 11.13
Milk (kg) -267.00 -0.014 3.74
Fat (kg) -4.86 -0.375 1.82
Prot (kg) -12.62 -0.441 5.57
Fertility Sub Index 6.34
Calving Interval (days) -3.69 -1.459 5.38
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.30
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 21.90

* Based on an €80/tonne carbon price