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 -3.70
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) 4.27 -0.375 -1.60
Prot (kg) 3.72 -0.441 -1.64
Fertility Sub Index 4.22
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.97 1.117 1.08
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.73
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.90 -0.432 1.25
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 13.56

* Based on an €80/tonne carbon price