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 5.31
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index 3.67
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.00
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 19.06

* Based on an €80/tonne carbon price