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 15.50
Milk (kg) -351.00 -0.014 4.91
Fat (kg) -13.39 -0.375 5.02
Prot (kg) -12.62 -0.441 5.57
Fertility Sub Index 9.42
Calving Interval (days) -6.03 -1.459 8.80
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 5.05
Carcass Weight (kg) -8.50 -0.528 4.48
Age of Slaughter (days) -1.31 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 8.98
Live WT (kg) -29.30 -0.307 8.98
Total Carbon Sub Index 39.08

* Based on an €80/tonne carbon price