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 9.90
Milk (kg) -290.00 -0.014 4.06
Fat (kg) -7.96 -0.375 2.98
Prot (kg) -6.48 -0.441 2.86
Fertility Sub Index 5.30
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 1.13 1.117 1.26
Calving Sub Index 2.10
Gestation Length (days) -2.29 -0.919 2.10
Beef Sub Index -3.14
Carcass Weight (kg) 8.50 -0.528 -4.48
Age of Slaughter (days) -3.12 -0.432 1.35
Maintenance Sub Index Maint. Sub Index -5.64
Live WT (kg) 18.40 -0.307 -5.64
Total Carbon Sub Index 8.54

* Based on an €80/tonne carbon price