Results 51 to 60 of about 16,020 (281)
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
doaj +1 more source
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
doaj +1 more source
LIMESTONE OF BUKIT KAMANG AS A CALCIUM SOURCE FOR LAYING HENS [PDF]
, 2009 A feeding trial was conducted to study the use of natural limestone meal originated from Bukit Kamang located at Agam district of West Sumatra to substitute fresh water oyster shell as the main source of calcium in diet of laying hens. The mineral feed
Khalil, Khalil, Anwar, S, Anwar, Surya
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
openaire +2 more sources
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
core +1 more source
Laying hen performance, feed economy, egg quality and yolk fatty acid profiles from laying hens fed live black soldier fly larvae [PDF]
, 2023 The black soldier fly (Hermetia illucens) serves as an alternative source of protein in poultry production. However, there is little available information on feeding live black soldier fly larvae (LBSFL) to hens.
Somchai Baotong +6 more
core +1 more source
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
doaj +1 more source
Production et caractéristiques physico-chimiques des œufs de la poule locale de Niamey (Niger)
Tropicultura, 2022 Production and physicochemical characteristics of eggs of local hen of Niamey (Niger) The objective of this study is to characterize the laying performances as well as the physical and nutritional qualities of the egg of the local hen of Niamey (Niger)
Adamou Guisso Taffa +5 more
doaj +1 more source