Results 41 to 50 of about 15,964 (301)
浙江大学学报. 农业与生命科学版, 2001 Adding 0.3% sodium sulphate or 0.3% sodium bicarbonate to corn-rape seed meal type diet with low levels of sulphur-containing amino acid and lysine for ISA brown laying hens, egg laying rate, egg weight and feed efficiency increased, profit per hen also ...
YIN Zhao-zheng +2 more
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Management of Laying Hen Farms in France Infected by Salmonella spp.: Comparison of Three Strategies
Agriculture, 2023 The presence of Salmonella spp. on laying hen farms turns out to be a major problem for public health reasons, mainly related to foodborne illnesses that may arise due to ingestion of contaminated eggs. When Salmonella spp.
Valentina Terio +10 more
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Physiological Stress in Laying Hens
Poultry Science, 2006 Stress responses in laying hens were mediated by continuous infusion of adrenocorticotropin (ACTH) via osmotic pumps. The ACTH was dissolved in saline solution (0.85%), and each pump delivered 8 IU of ACTH per kilogram of BW per day at the rate of 1 microL/h for 7 d. Control hens received pumps loaded with saline. Measurements were made at 6 d postpump
J Odihambo, Mumma +3 more
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The Effects of Different Levels of Tomato Juice in Drinking Water on the Egg Quality, Performance, and Hematological Parameters of Babcock White Laying Hens [PDF]
Brazilian Journal of Poultry ScienceThis study investigates the use of tomato juice (TJ) to assess its effects on egg quality, laying hen performance, and various blood parameters. A total of 128 Babcock white laying hens, aged 50 weeks, were randomly divided into four groups (n=32), each ...
Ü Özçınar +8 more
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Journal of Basic Medical Veterinary, 2021 This study aimed to evaluate the potential of rice bran fermented by the enzyme phytase in basal feed to the total blood cholesterol level of laying hen.
Yulia Nurfitri +5 more
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Control methods for Dermanyssus gallinae in systems for laying hens: results of an international seminar [PDF]
, 2009 This paper reports the results of a seminar on poultry red mite (PRM), Dermanyssus gallinae. Eighteen researchers from eight European countries discussed life cycle issues of the mite, effects of mites on hens and egg production, and monitoring and ...
Zoons, Johan +25 more
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Behavioural Priorities of Laying Hens
Avian and Poultry Biology Reviews, 2003 This article reviews the behavioural requirements of laying hens. It primarily concentrates on evidence from consumer demand studies and relates this to the behavioural and physical consequences of denying hens opportunities to express certain activities.
Jonathan Cooper, Melissa J. Albentosa
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A Description of Laying Hen Husbandry and Management Practices in Canada [PDF]
, 2018 Canadian laying hen farms are transitioning from conventional cage housing to furnished cage and non-cage housing systems to improve laying hen welfare. However, little is known about the current housing and management systems in Canada.
Tina M. Widowski +13 more
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Laying hen house characteristics and health management practices in Algeria
Revista CientíficaConsidering the importance of commercial laying hen farms in the egg production sector in Algeria. This study aimed to describe the laying hen houses and health management practices used in high-density poultry farms.
Yacine Kasmi +6 more
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The Human-Animal Relationship in Australian Caged Laying Hens
Animals, 2019 Studies on farm animals have shown relationships between stockperson attitudes and behaviour and farm animal fear, stress and productivity. This study investigated how the avoidance behaviour of Australian commercial caged laying hens may be related to ...
Lauren E. Edwards +3 more
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