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 7.87
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index 5.99
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.84
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 15.93

* Based on an €80/tonne carbon price