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 9.23
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -7.03 -0.441 3.10
Fertility Sub Index 6.26
Calving Interval (days) -3.50 -1.459 5.11
Survival (%) 1.03 1.117 1.15
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 1.01
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 20.94

* Based on an €80/tonne carbon price