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 11.60
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -9.62 -0.375 3.60
Prot (kg) -9.62 -0.441 4.25
Fertility Sub Index 6.04
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.29 1.117 1.44
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.98
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -0.68 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 20.91

* Based on an €80/tonne carbon price