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 21.75
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -23.81 -0.375 8.92
Prot (kg) -17.81 -0.441 7.86
Fertility Sub Index 5.47
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 1.53 1.117 1.71
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index -2.56
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 7.52 -0.432 -3.25
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 29.32

* Based on an €80/tonne carbon price