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 9.92
Milk (kg) -237.00 -0.014 3.32
Fat (kg) -6.78 -0.375 2.54
Prot (kg) -9.21 -0.441 4.06
Fertility Sub Index 1.87
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.64
Gestation Length (days) 0.70 -0.919 -0.64
Beef Sub Index -0.03
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 14.92

* Based on an €80/tonne carbon price