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 21.35
Milk (kg) -343.00 -0.014 4.80
Fat (kg) -23.60 -0.375 8.84
Prot (kg) -17.47 -0.441 7.71
Fertility Sub Index 6.07
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 1.87 1.117 2.09
Calving Sub Index -1.41
Gestation Length (days) 1.53 -0.919 -1.41
Beef Sub Index -2.38
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 8.68 -0.432 -3.75
Maintenance Sub Index Maint. Sub Index 6.71
Live WT (kg) -21.90 -0.307 6.71
Total Carbon Sub Index 30.36

* Based on an €80/tonne carbon price