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 12.01
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -12.48 -0.375 4.67
Prot (kg) -9.03 -0.441 3.99
Fertility Sub Index 1.48
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.78
Gestation Length (days) 1.94 -0.919 -1.78
Beef Sub Index -2.64
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 7.60

* Based on an €80/tonne carbon price