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 3.60
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -3.97 -0.441 1.75
Fertility Sub Index 9.26
Calving Interval (days) -4.89 -1.459 7.13
Survival (%) 1.90 1.117 2.12
Calving Sub Index 2.79
Gestation Length (days) -3.04 -0.919 2.79
Beef Sub Index 5.49
Carcass Weight (kg) -11.60 -0.528 6.12
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 27.55

* Based on an €80/tonne carbon price