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 13.23
Milk (kg) -285.00 -0.014 3.99
Fat (kg) -13.97 -0.375 5.23
Prot (kg) -9.08 -0.441 4.01
Fertility Sub Index 2.19
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 1.24 1.117 1.39
Calving Sub Index 1.31
Gestation Length (days) -1.43 -0.919 1.31
Beef Sub Index 1.30
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 21.01

* Based on an €80/tonne carbon price