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 1.25
Milk (kg) -52.00 -0.014 0.73
Fat (kg) 1.60 -0.375 -0.60
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 7.87
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 1.72 1.117 1.92
Calving Sub Index 2.03
Gestation Length (days) -2.21 -0.919 2.03
Beef Sub Index 1.00
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 13.13

* Based on an €80/tonne carbon price