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 1.22
Milk (kg) -107.00 -0.014 1.50
Fat (kg) 1.43 -0.375 -0.54
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 9.46
Calving Interval (days) -4.84 -1.459 7.06
Survival (%) 2.15 1.117 2.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.23
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 20.53

* Based on an €80/tonne carbon price