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 1.43
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 1.06 -0.375 -0.40
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 7.26
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.95 1.117 2.18
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.22
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 18.64

* Based on an €80/tonne carbon price