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 4.47
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -5.09 -0.375 1.91
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 9.02
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 2.72 1.117 3.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 3.33
Carcass Weight (kg) -9.10 -0.528 4.80
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 25.43

* Based on an €80/tonne carbon price