Results 21 to 30 of about 841,035 (344)

Effect of housing environment and hen strain on egg production and egg quality as well as cloacal and eggshell microbiology in laying hens

open access: yesPoultry Science, 2021
This study was conducted to determine the effect of housing environment and laying hen strain on performance, egg quality, and microbiology of the cloaca and eggshell.
Milan K. Sharma   +4 more
semanticscholar   +1 more source

Environmental Enrichments in Laying Hen Production Systems with Emphasis on Welfare and Egg Quality

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2021
To improve hen welfare, several studies have investigated various environmental enrichments that suit different laying hen production systems. The positive results of these studies can enable such environmental enrichments to be utilized in commercial ...
Brian Tainika, Ahmet Şekeroğlu
doaj   +1 more source

Inventory of biosecurity measures and antibiotics therapy practices on laying hen farms in Benin [PDF]

open access: yesVeterinary World, 2020
Background and Aim: Laying hen breeding is on the rise in Benin; nevertheless, there are several sanitary constraints to its development, including bacterial diseases. Faced with this situation, breeders mainly resort to different means of treatment. The
Oscar N. C. Aguidissou   +7 more
doaj   +1 more source

Optimal Placement of Laying Hen House Temperature Sensors Based on Genetic Algorithm

open access: yesIEEE Access, 2022
The arrangement of temperature sensors in most existing large-scale laying hen houses is random or placed according to the experience of breeders. However, this can’t achieve accurate monitoring of the henhouse.
Xiaoyue Hu   +4 more
doaj   +1 more source

PENERAPAN TEKNOLOGI FORCE MOLTING PADA AYAM PETELUR AFKIR STUDI DI DESA MUKIRAN KECAMATAN KALIWUNGU KABUPATEN SEMARANG

open access: yesCaraka Tani: Journal of Sustainable Agriculture, 2008
The study was aimed to prove the value-added of force molting technology on rejected laying-hen and improve the knowledge and skill of Mukiran village people about its technical assistance.
Ali Mursyid Wahyu Mulyono   +2 more
doaj   +1 more source

Threonine requirements of laying hens

open access: yesPoultry Science, 1998
In order to determine the Thr requirement of laying hens, two experiments were conducted using laying performance and plasma Thr concentration as parameters. At 29 and 39 wk of age, 100 and 600 laying hens in Experiments 1 and 2, respectively, with average BW and high egg production rate, were randomized, housed in individual cages, and given free ...
T, Ishibashi   +5 more
openaire   +2 more sources

Genome-wide association studies for small intestine length in an F2 population of chickens

open access: yesItalian Journal of Animal Science, 2018
Small intestine length is an important physiological index that is effected by nutrient intake and thus plays roles in growth and egg-laying in chickens.
Shangmin Li   +8 more
doaj   +1 more source

Utilization of vermitechnology and laying hen litter in supporting responsible consumption and production goals [PDF]

open access: yesE3S Web of Conferences
This study was conducted to examine vermitechnology and laying hen litter in support of the Sustainable Development Goals (SDGs): clean water and sanitation, circular economy, reducing waste generation, agriculture, and ecosystem restoration. In addition,
Nasution Nabila N.A.   +6 more
doaj   +1 more source

#Eggs: social and online media-derived perceptions of egg-laying hen housing

open access: yesPoultry Science, 2020
Enormous quantities of data are generated through social and online media in the era of Web 2.0. Understanding consumer perceptions or demand efficiently and cost effectively remains a focus for economists, retailer/consumer sciences, and production ...
N. Widmar   +4 more
semanticscholar   +1 more source

Physiological Stress in Laying Hens

open access: yesPoultry 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

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