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 1.90
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.78 -0.375 0.67
Prot (kg) 0.29 -0.441 -0.13
Fertility Sub Index 5.92
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 2.25
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) -0.33 -0.432 0.14
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 9.66

* Based on an €80/tonne carbon price