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 1.81
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -2.13 -0.375 0.80
Prot (kg) -0.92 -0.441 0.41
Fertility Sub Index 5.08
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 1.44 1.117 1.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.09
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 15.66

* Based on an €80/tonne carbon price