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 8.52
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -8.78 -0.375 3.29
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 7.99
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 2.29 1.117 2.56
Calving Sub Index -1.08
Gestation Length (days) 1.17 -0.919 -1.08
Beef Sub Index -4.40
Carcass Weight (kg) 7.60 -0.528 -4.01
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price