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 1.53
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -0.38 -0.375 0.14
Prot (kg) -0.28 -0.441 0.12
Fertility Sub Index 8.55
Calving Interval (days) -4.49 -1.459 6.55
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.58
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 21.62

* Based on an €80/tonne carbon price