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Sensor based time budgets in commercial Dutch dairy herds vary over lactation cycles and within 24 hours

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Bovi-analytics/Hut-et-al-2021

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Notebook for Hut et al. 2021

Original article here

DOI

Getting the data from the bovi-analytics blob storage

You will need to get access key via Miel Hostens ([email protected])

The data contains data from 8 farms using 2 NEDAP sensors (leg and neck).

  • HerdIdentifier - Identifier for the herd
  • Animalidentifier : Identifier for the animal (her eartag)
  • AnimalNumber : Secondary identifier for the animal
  • Parity: 1, 2 and 3+
  • CalvingTime : Date of calving
  • CalvingSeason: season of calving e.g. Jan/Feb/Mar: winter
  • MonthsInMilk: 30d average accounts for 1 month except for month 0: d-1, d0, d+1
  • Hour: 2 hourly blocks per 24h
  • MilkingType: automatic milking system (AMS) or conventional milking system (CMS)
  • SensorDaysInMilk : Days in milk at sensor observation
  • SensorValue: Eating time, rumination time, lying time, standing time, walking time, leg activity: number of steps (min/2h, ,min/day, no. of steps/2h, no. of steps/day)

Models MonthsInMilk

Lying and walking behavior

Eating behavior

Rumination behavior

Models 24h patterns

Lying and walking behavior

Eating behavior

Rumination behavior

overall graphs

image image

Remarks and meeting notes

Review