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 -3.44
Milk (kg) -80.00 -0.014 1.12
Fat (kg) 9.09 -0.375 -3.40
Prot (kg) 2.61 -0.441 -1.15
Fertility Sub Index -2.05
Calving Interval (days) 1.75 -1.459 -2.55
Survival (%) 0.45 1.117 0.50
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index -0.27
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index -3.11

* Based on an €80/tonne carbon price