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 8.50
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -7.25 -0.375 2.72
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 7.55
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 2.96 1.117 3.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.80
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 24.06

* Based on an €80/tonne carbon price