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 5.35
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -6.03 -0.375 2.26
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 5.48
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 1.76 1.117 1.97
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index -2.16
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 7.57 -0.432 -3.27
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 13.06

* Based on an €80/tonne carbon price