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 6.64
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -6.21 -0.375 2.33
Prot (kg) -6.37 -0.441 2.81
Fertility Sub Index 7.92
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 1.98 1.117 2.21
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 2.90
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -0.13 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 21.28

* Based on an €80/tonne carbon price