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 4.60
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -2.11 -0.375 0.79
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 3.55
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 1.44 1.117 1.61
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 4.47
Carcass Weight (kg) -15.50 -0.528 8.18
Age of Slaughter (days) 8.58 -0.432 -3.70
Maintenance Sub Index Maint. Sub Index 13.86
Live WT (kg) -45.20 -0.307 13.86
Total Carbon Sub Index 27.10

* Based on an €80/tonne carbon price