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Afsana A. Jahan, Thi Hiep Dao, Natalie K. Morgan, Tamsyn M. Crowley and Amy F. Moss
Laying hen nutrient requirements change throughout the day, due to the cyclic nature of egg formation. Generally, more energy and protein are required in the morning when the albumen is deposited around the yolk, and more calcium is required in the eveni...
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Edward Majewski, Norbert Potori, Piotr Sulewski, Adam Was, Martyna Mórawska, Monika Gebska, Agata Malak-Rawlikowska, Anna Grontkowska, Viktor Szili and Adél Erdos
This paper?s main objective is to assess the impacts of the ban on cages for housing laying hens, planned by the European Commission to raise animal welfare standards beyond the level set in the current legislation. The farm-level economic assessments of...
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Justin J. Delver and Zachary K. Smith
Camelina sativa is an annual oilseed crop that requires low inputs. Recently, interest in camelina oil for both human use and biofuel production has increased. Camelina oil extraction is performed through two main methods, namely, mechanical expulsion an...
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Xianying Zhang, Pengcheng Li, Mingyi Zhao, Shuqiang Wang, Baoyi Sun, Yulan Zhang, Yonghuan Wang, Zhenhua Chen, Hongtu Xie, Nan Jiang and Tingting Li
The breeding of laying hens and broilers in China has increased tremendously. Wet organic fertilizer prepared from hen manure using high-temperature container fermentation preserves high levels of nutrients and a diverse microbial community. We applied l...
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Mohammad Shahbazi, Kamyar Mohammadi, Sayed M. Derakhshani and Peter W. G. Groot Koerkamp
Laying hen activities in modern intensive housing systems can dramatically influence the policies needed for the optimal management of such systems. Intermittent monitoring of different behaviors during daytime cannot provide a good overview, since daily...
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Ahmed O. Abbas, Abdulaziz A. Alaqil, Nancy N. Kamel and Farid S. Nassar
The chicken egg is one of the most globally-consumed animal protein sources with high-quality protein value. However, there is a growing concern about the association between excessive egg consumption and the increasing risk of cardiovascular disease inc...
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Giancarlo Bozzo, Nicola Pugliese, Rossella Samarelli, Antonella Schiavone, Michela Maria Dimuccio, Elena Circella, Elisabetta Bonerba, Edmondo Ceci and Antonio Camarda
Mycotoxins are toxic secondary metabolites produced by fungal species that usually contaminate foods and feeds. Their lipophilic properties allow them to persist in the fat tissues of animals that ingest them, representing a risk for the consumers becaus...
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Afsana A. Jahan, Thi Hiep Dao, Nasima Akter, Sukirno, Robert A. Swick, Natalie K. Morgan, Tamsyn M. Crowley and Amy F. Moss
Understanding the order of limiting amino acids (AA) in reduced-protein (RP) diets for laying hens will facilitate precise feed formulation and ensure that AA requirements are met cost-effectively. The order of the first three limiting AAs?lysine (Lys), ...
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Anna Riedel, Lorena Rieke, Nicole Kemper and Birgit Spindler
Since the abolition of beak trimming in laying hens in Germany, the importance of adequate enrichment material to help reduce feather pecking and cannibalism has grown. Here we tested an automatic enrichment device dosing grain via rough-coated pecking p...
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Garima Kulshreshtha, Maxwell T. Hincke, Balakrishnan Prithiviraj and Alan Critchley
Seaweeds comprise ca. 12,000 species. Global annual harvest is ca. 30.13 million metric tonnes, (valued ca. $11.7 billion USD in 2016) for various commercial applications. The growing scope of seaweed-based applications in food, agricultural fertilizers,...
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