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 1.47
Milk (kg) -160.00 -0.014 2.24
Fat (kg) 3.20 -0.375 -1.20
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 9.05
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 2.64 1.117 2.95
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.29
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 21.78

* Based on an €80/tonne carbon price