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 6.60
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -6.99 -0.441 3.09
Fertility Sub Index 7.58
Calving Interval (days) -4.26 -1.459 6.22
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.80
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -1.10 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 19.66

* Based on an €80/tonne carbon price