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 12.15
Milk (kg) -305.00 -0.014 4.27
Fat (kg) -10.26 -0.375 3.84
Prot (kg) -9.14 -0.441 4.03
Fertility Sub Index 6.57
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index 1.00
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 22.38

* Based on an €80/tonne carbon price