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 2.86
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 5.00
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 1.37 1.117 1.53
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.64
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 15.93

* Based on an €80/tonne carbon price