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 3.55
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 3.68
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 1.40 1.117 1.56
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 1.73
Carcass Weight (kg) -10.10 -0.528 5.33
Age of Slaughter (days) 8.33 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 10.88
Live WT (kg) -35.50 -0.307 10.88
Total Carbon Sub Index 20.47

* Based on an €80/tonne carbon price