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 12.14
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -12.49 -0.375 4.68
Prot (kg) -11.35 -0.441 5.01
Fertility Sub Index 7.05
Calving Interval (days) -4.28 -1.459 6.24
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.13
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 25.34

* Based on an €80/tonne carbon price