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 0.52
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -0.38 -0.375 0.14
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 7.77
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 1.80 1.117 2.01
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 3.46
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -0.80 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 15.78

* Based on an €80/tonne carbon price