As hen body weight (BW) impacts egg weight (EW) and feed efficiency, egg producers prefer pullets of a specific size to enter the egg-laying cycle. Lighting and feeding programs were tested to achieve target Hy-Line Brown pullet BW. Three feeding programs were implemented: ad libitum (ad lib); feeding to achieve breed standard weight for age (BSW); and feeding to achieve 88% BSW (managed).
View Article and Find Full Text PDFchallenge chicken models do not always achieve high colonization levels in controls.The age of hen is important in achieving good caecal colonization.Challenge around sexual maturity provides the best control colonization outcome.
View Article and Find Full Text PDFAim: To test the influences of patient, safety event and nurse characteristics on nurse judgements of credibility, importance and intent to report patients' safety concerns.
Design: Factorial survey experiment.
Methods: A total of 240 nurses were recruited and completed an online survey including demographic information and responses to eight factorial vignettes consisting of unique combinations of eight patient and event factors.
Spotty Liver Disease (SLD), caused by Campylobacter hepaticus or C. bilis infection in adult female chickens continues to emerge as a major disease problem in cage-free production systems. Free range production has become the predominant system in Australian egg production and SLD is widespread in these farms.
View Article and Find Full Text PDFCampylobacter hepaticus, the causative agent of Spotty Liver Disease (SLD) is an important disease in cage-free egg producing chickens causing mortality and production drops. C. hepaticus is a slow growing Campylobacter easily overgrown by fecal bacteria.
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