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 25.58
Milk (kg) -389.00 -0.014 5.45
Fat (kg) -28.35 -0.375 10.62
Prot (kg) -21.57 -0.441 9.52
Fertility Sub Index 6.98
Calving Interval (days) -4.24 -1.459 6.19
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.17
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 34.98

* Based on an €80/tonne carbon price