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 1.64
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -1.34 -0.375 0.50
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index 7.77
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 0.96 1.117 1.07
Calving Sub Index 1.22
Gestation Length (days) -1.33 -0.919 1.22
Beef Sub Index 1.58
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 16.02

* Based on an €80/tonne carbon price