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 10.28
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -12.68 -0.375 4.75
Prot (kg) -8.85 -0.441 3.91
Fertility Sub Index 4.43
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.26
Gestation Length (days) 1.37 -0.919 -1.26
Beef Sub Index -2.57
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 11.22

* Based on an €80/tonne carbon price