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 4.05
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -1.97 -0.441 0.87
Fertility Sub Index 9.23
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 3.25 1.117 3.63
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.73
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.58 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 23.52

* Based on an €80/tonne carbon price