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 -5.61
Milk (kg) 136.00 -0.014 -1.90
Fat (kg) 5.31 -0.375 -1.99
Prot (kg) 3.90 -0.441 -1.72
Fertility Sub Index -3.92
Calving Interval (days) 2.09 -1.459 -3.05
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 2.10
Gestation Length (days) -2.29 -0.919 2.10
Beef Sub Index -1.07
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index -7.08

* Based on an €80/tonne carbon price