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 4.42
Milk (kg) -264.00 -0.014 3.70
Fat (kg) 1.91 -0.375 -0.72
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 2.90
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.65 1.117 0.73
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index 3.83
Carcass Weight (kg) -10.50 -0.528 5.54
Age of Slaughter (days) 3.95 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 7.08
Live WT (kg) -23.10 -0.307 7.08
Total Carbon Sub Index 19.91

* Based on an €80/tonne carbon price