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 2.83
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -0.01 -0.375 0.00
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 2.13
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 0.31
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 7.12

* Based on an €80/tonne carbon price