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 5.08
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.86 -0.375 1.45
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 3.33
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 1.13 1.117 1.26
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.56
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 16.03

* Based on an €80/tonne carbon price