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 5.03
Milk (kg) -185.00 -0.014 2.59
Fat (kg) -0.81 -0.375 0.30
Prot (kg) -4.83 -0.441 2.13
Fertility Sub Index 2.46
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) -0.08 1.117 -0.09
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.06
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -2.69 -0.432 1.16
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 7.51

* Based on an €80/tonne carbon price