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 7.63
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -8.08 -0.375 3.03
Prot (kg) -7.52 -0.441 3.32
Fertility Sub Index 4.25
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.04
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 14.09

* Based on an €80/tonne carbon price