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 3.85
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 5.63
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.40 1.117 1.56
Calving Sub Index -1.67
Gestation Length (days) 1.82 -0.919 -1.67
Beef Sub Index -2.18
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 4.68 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 10.26

* Based on an €80/tonne carbon price