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 6.23
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -8.87 -0.375 3.32
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 7.08
Calving Interval (days) -3.50 -1.459 5.11
Survival (%) 1.77 1.117 1.98
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.07
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 20.88

* Based on an €80/tonne carbon price