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 4.28
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 8.36
Calving Interval (days) -4.82 -1.459 7.03
Survival (%) 1.19 1.117 1.33
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 0.33
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 16.58

* Based on an €80/tonne carbon price