Results 11 to 20 of about 841,035 (344)

Perception of laying hen farmers, poultry veterinarians, and poultry experts regarding sensor-based continuous monitoring of laying hen health and welfare

Poultry Science, 2023
Daily farm management practices play an essential role in determining and steering health, welfare and productivity of laying hen flocks. Optimal management requires expertise of farmers and coworkers, especially when hens are kept in complex, large ...
Lara A. van Veen, Anna C.M. van den Oever, B. Kemp, H. van den Brand   +3 more
semanticscholar   +3 more sources

Feeding live Black Soldier Fly larvae (Hermetia illucens) to laying hens: effects on feed consumption, hen health, hen behavior, and egg quality

Poultry Science, 2021
The use of insects in animal feed has the potential to reduce the demand for soybean production and reduce the deforestation and loss of natural resources.
F. Tahamtani, E. Ivarsson, V. Wiklicky, C. Lalander, H. Wall, T. Rodenburg, F. Tuyttens, Carlos E. Hernandez   +7 more
semanticscholar   +3 more sources

Effects of fermented feed on growth performance, immune response, and antioxidant capacity in laying hen chicks and the underlying molecular mechanism involving nuclear factor-κB

Poultry Science, 2020
This study investigated the effects of fermented-feed diets on growth performance, immune status, and antioxidant responses in laying hen chicks and the underlying molecular mechanism, specifically, the role of the nuclear factor-κB (NF-κB) signaling ...
Fenghua Zhu, Beibei Zhang, Jin Li, Lianqin Zhu   +3 more
semanticscholar   +3 more sources

Role of long-term supplementation of 25-hydroxyvitamin D3 on laying hen bone 3-dimensional structural development

Poultry Science, 2020
Egg-laying hens have a unique bone development pattern due to the medullary bone formation and high bone turnover rate. The role of long-term supplementation of an intermediate form of vitamin D3, 25-hydroxyvitamin D3 (25OHD), on skeletal development of ...
Chongxiao Chen, B. Turner, T. Applegate, G. Litta, W. Kim   +4 more
semanticscholar   +3 more sources

Laying hen movement in a commercial aviary: Enclosure to floor and back again.

Poultry Science, 2016
Many producers in the laying hen industry, including in North America, are phasing out conventional cages in response to consumer demands and sometimes subsequent legislation.
D. Campbell, M. Makagon, J. Swanson, J. Siegford   +3 more
semanticscholar   +3 more sources

Effect of supplementing layer hen diet with phytogenic feed additives on laying performance, egg quality, egg lipid peroxidation and blood biochemical constituents

Animal Nutrition, 2018
This study was conducted to evaluate the effects of supplementing laying hen diet with phytogenic additives on laying performance, egg quality, blood constituents and egg lipid peroxidation.
R. Abou-Elkhair, S. Selim, E. Hussein
semanticscholar   +3 more sources

Nutrition, feeding and laying hen welfare

Animal Production Science, 2021
The relationship between nutrition and welfare is usually considered to be a direct result of supplying the hen with adequate quantities of feed and water.
W. Bryden, Xiuhua Li, I. Ruhnke, D. Zhang, S. Shini   +4 more
semanticscholar   +1 more source

Laying hen mortality in different indoor housing systems: a meta-analysis of data from commercial farms in 16 countries

Scientific Reports, 2021
Societal concern with the welfare of egg laying hens housed in conventional cages is fostering a transition towards cage-free systems in many countries.
C. Schuck-Paim, E. Negro-Calduch, Wladimir J Alonso   +2 more
semanticscholar   +1 more source

The impact of dietary Black Soldier Fly larvae oil and meal on laying hen performance and egg quality

Poultry Science, 2021
Recently, the US FDA and Association of American Feed Control Officials approved Black Soldier Fly larvae (BSFL) as a feed ingredient for poultry. The objectives of this work were 1) to evaluate the nutritional profile of BSFL oil and meal in laying hens,
P. Patterson, N. Acar, A. Ferguson, L. Trimble, H. B. Sciubba, ǁǁ E.A.Koutsos   +5 more
semanticscholar   +1 more source

Soybean oil addition to wheat bran-based diet improves laying hens’ performance [PDF]

Veterinary World, 2023
Background and Aim: Wheat bran (WB) is used extensively in animal feed. Despite its nutritional value, its use is limited because of its high-fiber content.
Mariana Novela, Sónia Carlitos Pinto, Angélica Tembe, Emmanuel Paulo, Marcos Mabasso, Albino Gove, Abilio Paulo Changule, Leonel António Joaquim, Ramos Tseu, Filomena dos Anjos, Custódio Gabriel Bila   +10 more
doaj   +1 more source