Do Activity Sensors Identify Physiological, Clinical and Behavioural Changes in Laying Hens Exposed to a Vaccine Challenge?

This study aimed to identify if sensor technology could be used to detect sickness-type signs (caused by a live vaccine) in laying hens compared to physiological and clinical sign scoring and behaviour observation. The experiment comprised 5 replicate batches (4 hens and 12 days per batch) using previously non-vaccinated hens ( = 20). Hens were moved on day 1 to a large experimental room with various designated zones (e.

Epidemiology of gender dysphoria and gender incongruence in children and young people attending primary care practices in England: retrospective cohort study.

Objective: To examine trends in diagnosis of gender dysphoria and related conditions in children and young people attending primary care practices in England.

Design: Longitudinal analysis of electronic primary care records from the Clinical Practice Research Datalink (CPRD) Aurum database linked to hospital and Index of Multiple Deprivation data.

Setting: Primary care practices in England between 2011 and 2021.