Health and Welfare in Dutch Organic Laying Hens by Monique Bestman, Jan-Paul Wagenaar

“…The flocks in our study were kept on farms with 34 to 25,000 hens (average 9,300 hens). Seventy-one percent of the flocks consisted of ‘silver hybrids’: white hens that lay brown eggs. …”
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Distribution and Elimination of Deltamethrin Toxicity in Laying Hens by Yiming Liu, Chunshuang Liu, Mingyue Han, Na Yu, Wen Pan, Jie Wang, Zhiying Fan, Wei Wang, Xiubo Li, Xu Gu

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Dietary 25-Hydroxycholecalciferol Supplementation as a Vitamin D₃ Substitute Improves Performance, Egg Quality, Blood Indexes, Jejunal Morphology, and Tibia Quality in L... by Shan Gao, Kai Qiu, Junjie Zheng, Haijun Zhang, Jing Wang, Xiaolong Qi, Shugeng Wu

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Study of Time Intervals of Egg Formation in Oravka Hens by Cyril Hrnčár, Emília Hanusová, Anton Hanus, Jozef Bujko

“…In this study, we analysed daily the time intervals of egg formation in pure chicken breed Oravka in the second half of egg production on 66 hens for 30 days, from 6 a.m. to 8 p.m. Experiment was realised in deep litter system in pens with automatic egg nest. …”
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Metformin modulates the gut microbiome in broiler breeder hens by Emily Van Syoc, Emily Van Syoc, Emily Van Syoc, Evelyn Weaver, Evelyn Weaver, Connie J. Rogers, Connie J. Rogers, Justin D. Silverman, Justin D. Silverman, Justin D. Silverman, Justin D. Silverman, Ramesh Ramachandran, Erika Ganda, Erika Ganda

“…Broiler breeder hens were supplemented with metformin at four different levels (0, 25, 50, and 75 mg/kg body weight) from 25 to 65 weeks of age, and a subset of hens (n = 8–10 per treatment group) was randomly selected to undergo longitudinal microbiome profiling with 16S rRNA sequencing. …”
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Dietary Inositol Reduces Fearfulness and Avoidance in Laying Hens by Eugenia Herwig, Henry L. Classen, Carrie L. Walk, Mike Bedford, Karen Schwean-Lardner

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THE PERFORMANCE OF LAYING HENS FED DIFFERENT CALCIUM SOURCE by S. Kismiati, T. Yuwanta, Z. Zuprizal, S. Supadmo

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The Effects of Mild Disturbances on Sleep Behaviour in Laying Hens by Endre Putyora, Sarah Brocklehurst, Frank Tuyttens, Victoria Sandilands

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<b>Pequi peel meal in laying hen diet by Amanda Lapa Silva, Romênia Regina Pires Lage, Daniel Emygdio de Faria Filho, Izabela Lorena Azevedo, Adélio Nunes Dias, Douglas Emygdio de Faria

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Distribution of Acetylcholinesterase Positive Neurons in the Oviduct of Laying Hen by Jameel Ahmed Gandahi1,2,§, Noor Samad Gandahi2,§, Ping Yang1, Xun Guang Bian1, Muhammad Ghiasuddin Shah2, Moolchand Malhi1,2, Lin Li Zhang1, Qian Zhang1 and Qiusheng Chen1,*

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Investigation of the effect of probiotic strains on the productivity of laying hens by Tresnitskiy Sergey, Tresnitskiy Anatoliy, Rudenko Andrei, Zelenkova Galina, Zelenkov Alexey, Medvedev Andrey, Rudenko Pavel

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The influence of Trichinella spp. infection on hematological parameters of hens by S. А. Bolyahina, E. A. Efremova, E. А. Nivin

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Nocturnal incubation recess and flushing behavior by duck hens by Rebecca Croston, Sarah H. Peterson, C. Alex Hartman, Mark P. Herzog, Cliff L. Feldheim, Michael L. Casazza, Joshua T. Ackerman

“…Overall, we predicted that 75% of nocturnal recesses were hen‐initiated recesses (eggs covered) whereas 25% of nocturnal recesses were predator‐initiated recesses (eggs uncovered). …”
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A Comparison between Vitamin D₃ and 25-Hydroxyvitamin D₃ on Laying Performance, Eggshell Quality and Ultrastructure, and Plasma Calcium Levels in Late Period... by Xiaoqing Jing, Yiwei Wang, Fulong Song, Xianfeng Xu, Mingkang Liu, Yu Wei, Huiling Zhu, Yulan Liu, Jintao Wei, Xiao Xu

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Effects of Supplementation of 25-Hydroxyvitamin D₃ as a Vitamin D₃ Substitute on Performance, Bone Traits, and Egg Quality of Laying Hens from 1 Day to 72 Wee... by Dongdong Li, Xuemei Ding, Shiping Bai, Jianping Wang, Qiufeng Zeng, Huanwei Peng, Yue Xuan, Keying Zhang

“…This experiment was conducted to explore the effect of long-term supplementation of 25-hydroxyvitamin D₃ (25-OHD) as a vitamin D₃ (VD₃) substitute on performance, bone traits, and egg quality of laying hens from 1 day to 72 weeks of age. …”
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Genome wide association analysis of cuticle deposition in laying hens by Zhang Wang, Ian C. Dunn, Peter W. Wilson, Sandra Poyatos Pertinez, Janet E. Fulton, Jesus Arango, Björn Andersson, Matthias Schmutz, Anna Wolc

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Influence of Perch-Provision Timing on Anxiety and Fearfulness in Laying Hens by Mallory G. Anderson, Alexa M. Johnson, Leonie Jacobs, Ahmed B. A. Ali

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Do Hens Use Enrichments Provided in Free-Range Systems? by Victoria Sandilands, Laurence Baker, Jo Donbavand, Sarah Brocklehurst

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Evaluation of Dietary Multiple Enzyme Preparation (Natuzyme) in Laying Hens by K. W. Lee, Y. I. Choi, E. J. Moon, S. T. Oh, H. H. Lee, C. W. Kang, B. K. An

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A Case of Laying Hens Mycosis Caused by Fusarium proliferatum by Ramziya M. Potekhina, Evgenya Yu. Tarasova, Lilia E. Matrosova, Nail I. Khammadov, Alexander M. Saifutdinov, Olga K. Ermolaeva, Svetlana A. Tanaseva, Nailya N. Mishina, Gali N. Nigmatulin, Aisylu Z. Mukharlyamova, Sergey Yu. Smolentsev, Eduard I. Semenov

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