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 6.36
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -6.58 -0.441 2.90
Fertility Sub Index 5.73
Calving Interval (days) -2.86 -1.459 4.17
Survival (%) 1.39 1.117 1.55
Calving Sub Index 1.82
Gestation Length (days) -1.98 -0.919 1.82
Beef Sub Index 1.02
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 4.47 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 17.99

* Based on an €80/tonne carbon price