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 21.69
Milk (kg) -519.00 -0.014 7.27
Fat (kg) -17.50 -0.375 6.55
Prot (kg) -17.82 -0.441 7.87
Fertility Sub Index 9.20
Calving Interval (days) -6.49 -1.459 9.47
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -3.91
Gestation Length (days) 4.25 -0.919 -3.91
Beef Sub Index 1.24
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) -6.05 -0.432 2.61
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 29.02

* Based on an €80/tonne carbon price