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 4.63
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -3.56 -0.375 1.33
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 5.52
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.07
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 18.77

* Based on an €80/tonne carbon price