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 6.45
Milk (kg) -412.00 -0.014 5.77
Fat (kg) 3.20 -0.375 -1.20
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index -1.50
Calving Interval (days) 3.48 -1.459 -5.08
Survival (%) 3.20 1.117 3.58
Calving Sub Index 2.87
Gestation Length (days) -3.12 -0.919 2.87
Beef Sub Index 10.64
Carcass Weight (kg) -23.70 -0.528 12.50
Age of Slaughter (days) 4.31 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 19.53
Live WT (kg) -63.70 -0.307 19.53
Total Carbon Sub Index 37.98

* Based on an €80/tonne carbon price