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 6.63
Milk (kg) -157.00 -0.014 2.20
Fat (kg) 1.56 -0.375 -0.58
Prot (kg) -11.36 -0.441 5.01
Fertility Sub Index 6.14
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.35
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 15.18

* Based on an €80/tonne carbon price