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 1.21
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 7.26
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 1.91 1.117 2.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.05
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 20.64

* Based on an €80/tonne carbon price