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 7.92
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -7.28 -0.441 3.21
Fertility Sub Index 2.67
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 0.21
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 10.28

* Based on an €80/tonne carbon price