CONTENTS ▶▶▶ 12


25 14


28 18


34


Organic minerals promote leg quality in broilers


Cage-free US egg industry: sooner rather than later


Alpha-monolaurin boosts immune response of IB-vaccinated broilers


Understanding the dynamics of cage-free housing


Successful poultry producers rely on a solid start to achieve a strong finish


Combating Spotty Liver Disease naturally


6 INTERVIEW


Ranjit Singh Boparan, often nicknamed Britain’s ‘chicken king’, warns Britain is on the verge of a most serious food crisis


9 IN-OVO


Recent studies show that in- ovo gender determination of incubated eggs can provide a beneficial substitute for the large-scale culling of male chicks in layer hen production. However, the technology raises ethical concerns relating to the sensitivity of the embryo, the use of screened-out eggs and the accuracy of in-ovo screening.


32


FEATHERS


As market age for broilers continues to decline, the ‘maturity’ of feather cover becomes increasingly important for protection of the skin and underlying tissue.


▶ POULTRY WORLD | No. 8, 2021 3


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