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 -4.63
Milk (kg) 132.00 -0.014 -1.85
Fat (kg) 3.34 -0.375 -1.25
Prot (kg) 3.48 -0.441 -1.54
Fertility Sub Index -7.27
Calving Interval (days) 3.42 -1.459 -4.99
Survival (%) -2.04 1.117 -2.28
Calving Sub Index 1.53
Gestation Length (days) -1.66 -0.919 1.53
Beef Sub Index -2.00
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 3.90 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -10.88

* Based on an €80/tonne carbon price