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Figure 1 | Veterinary Research

Figure 1

From: Modelling the spread of bovine viral diarrhea virus (BVDV) in a beef cattle herd and its impact on herd productivity

Figure 1

Diagram of the beef cow-calf herd dynamics over a year. Each box represents the between-group transitions at a given time in the year. A diamond symbolizes a selection process. Groups are the following: calves from birth until weaning, male and female weaned calves for sale (grassers), heifers younger than 2 years kept for breeding, bred heifers, cows from the first pregnancy diagnosis until fattening decision, cows from fattening decision until culling, and bulls. Calving, breeding, grazing, and purchasing/selling periods are indicated and correspond to the reference scenario as described in section Initial conditions, reference scenario, and simulations.

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