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 3.21
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -3.92 -0.375 1.47
Prot (kg) -1.97 -0.441 0.87
Fertility Sub Index 1.22
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -3.21
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -2.73
Live WT (kg) 8.90 -0.307 -2.73
Total Carbon Sub Index -1.85

* Based on an €80/tonne carbon price