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作者:Lingham-Soliar, T.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:Structures in nature have evolved over millions of years and, unlike in engineering, are multifunctional. For example, an airplane wing may perform only a single function: lift. This is unlike the bird wing which, besides also producing power, has an ability to detect local updra...
作者:Lister, S.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:The integument is an important organ system protecting the bird by acting as a barrier between the external environment and internal body systems, providing thermal insulation and for regulation of water loss. Arguably, as a result, the major business opportunity with the integum...
作者:Kapell, D. N. R. G.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:The prevalence of contact dermatitis traits is an important consideration in modern poultry production, as part of the general focus on leg health and welfare traits. Contact dermatitis is seen as a lesion or discolouration of the skin, potentially accompanied by inflammation or ...
作者:Emous, R. A. van , Krimpen, M. M. van
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:Feather cover of chickens can be influenced by many factors, including direct or indirect nutritional factors. Direct dietary factor effects are levels of protein/amino acids, vitamins, minerals and mycotoxins. Indirect nutritional factors will impact feather cover through their ...
作者:Olori, V. E.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:The chicken's plumage is defined by the structure and colour of its feathers. Plumage colour is a feature used in modern poultry breeding to distinguish between breeds, strains and pure lines. It is therefore important in strain security. Sex-linked genes affecting plumage colour...
作者:Headon, D.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:The skin and its appendages, such as feathers and scales, form the interface between a bird and its environment. The size, number and distribution of feathers and the structure of the skin are defined during embryonic development through interactions between the dermal and epider...
作者:Tuijl, O. A. van
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:This chapter discusses management factors in broiler breeders that can trigger abnormal feathering and unwanted feather damage, such that the birds are unable to maintain good feather cover at all times. Management practices to ensure good feed access include the following. ...
作者:Hocking, P. M. , Veldkamp, T.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:Contact dermatitis is a common finding in commercial poultry kept for meat production that has both economic and welfare implications. The disease commonly affects the epidermis of the foot pad, hock joint and skin covering the breast muscles that are in contact with the litter o...
作者:McMullin, P. F.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:The importance of the integumentary system in commercial poultry encompasses all its functions that are essential to maintaining the health of the bird. Much can be learned about the health condition of the birds in a flock by observation of presence, or absence, and distribution...
作者:Ellen, E. D. , Bijma, P.
来源:[B].Poultry Feathers and Skin: The Poultry Integument in Health and Welfare2019CABI
摘要:Survival of commercial laying hens is an important trait. Feather pecking has a large effect on the survival of birds. To improve survival it is important to use quantitative genetic methods that take into account both the direct genetic effect (victim effect) and the indirect ge...

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