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 2.82
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.94 -0.375 0.73
Prot (kg) -1.82 -0.441 0.80
Fertility Sub Index 7.24
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) 0.73 1.117 0.82
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.98
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 19.24

* Based on an €80/tonne carbon price