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 -5.15
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 7.60 -0.375 -2.85
Prot (kg) 4.42 -0.441 -1.95
Fertility Sub Index 5.34
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.81
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 9.47

* Based on an €80/tonne carbon price