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 4.94
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 2.42
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) -0.67 1.117 -0.75
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 2.71
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 14.09

* Based on an €80/tonne carbon price