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 5.07
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 0.87 -0.375 -0.33
Prot (kg) -7.03 -0.441 3.10
Fertility Sub Index 3.40
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 2.05
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 14.95

* Based on an €80/tonne carbon price