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 3.52
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 4.05
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 1.09
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 12.47

* Based on an €80/tonne carbon price