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 3.12
Milk (kg) -116.00 -0.014 1.62
Fat (kg) 1.29 -0.375 -0.48
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 5.35
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 0.85
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price