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 16.63
Milk (kg) -392.00 -0.014 5.49
Fat (kg) -14.34 -0.375 5.37
Prot (kg) -13.08 -0.441 5.77
Fertility Sub Index 11.13
Calving Interval (days) -5.80 -1.459 8.46
Survival (%) 2.39 1.117 2.67
Calving Sub Index -2.36
Gestation Length (days) 2.57 -0.919 -2.36
Beef Sub Index -1.57
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) -0.28 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 24.79

* Based on an €80/tonne carbon price