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 7.04
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -8.45 -0.375 3.17
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 5.38
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.46 1.117 1.63
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -3.36
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -2.42
Live WT (kg) 7.90 -0.307 -2.42
Total Carbon Sub Index 5.37

* Based on an €80/tonne carbon price