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 6.82
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -7.73 -0.441 3.41
Fertility Sub Index 11.05
Calving Interval (days) -7.05 -1.459 10.29
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.27
Gestation Length (days) 1.38 -0.919 -1.27
Beef Sub Index 3.40
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 23.99

* Based on an €80/tonne carbon price