Results 91 to 100 of about 887,351 (211)

Disequilibrium feeding pattern more consistent with egg-laying physiology improves eggshell quality of laying hens during late laying period

open access: yesAnimal Nutrition
Disequilibrium feeding pattern, as a new feeding technique, more suitable for egg-laying physiology, was feeding two-thirds diet to hens after 14:00 every day without modifying diet nutrient levels and changing daily feed rationing, to better meet ...
Yan Hu   +5 more
doaj   +1 more source

Dynamics of Kidney Calcium and Phosphorus Mineral Handling in Laying Hens During the Transition to Egg Production

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT The transition from immature pullets to sexually mature female chickens is accompanied by pronounced structural and functional modifications. This is accompanied by coordinated changes in hormonal and metabolic pathways that primarily regulate reproduction, nutrient utilization, and mineral homeostasis to compensate for temporary imbalances ...
Henry Reyer   +6 more
wiley   +1 more source

Conceptual images of cubic eggshell using a chick embryo.

open access: yes, 2015
(a) The artificial eggshell is transparent, polyhedral-shaped, and fabricated from an oxygen-permeable material. Contents of the chick egg are transferred into the eggshell, and the developed embryo can be observed and operated from multiple directions. (
Fumihito Arai (434887)   +2 more
core   +1 more source

Navigating troubled waters: Posthumanist vulnerability and entanglement in Richard Powers's Playground (2024)

open access: yesOrbis Litterarum, EarlyView.
Abstract Richard Powers's most recent novels to date—The Overstory (2018), Bewilderment (2021), and Playground (2024)—engage with some of the environmental and technological threats that loom over our planet, such as deforestation, species loss, the degradation of the ocean bottom, and the risks associated with the development of generative AI ...
Carmen Laguarta‐Bueno
wiley   +1 more source

Egg Quality of Tegal Ducks in Intensive Keeping Feed with Different Levels of Methionine and Lancang (Atlanta sp.)

open access: yesAnimal Production: Indonesian Journal of Animal Production, 2002
The purpose of this research is to study the effect of combination levels of methionine-lancang (Atlanta sp.) in diet on egg quality of Tegal ducks. Eighty-one Tegal ducks early production period were used in this research.
Roesdiyanto Roesdiyanto
doaj  

Gene Polymorphisms are Associated with Eggshell Ultrastructure Organization in Hens

open access: yes, 2017
Background: Eggshell ultrastructure organization, including effective layer thickness, mammillary layer thickness, and average size of mammillary cones, is important for breeding and significantly influences eggshell mechanical properties.
D Wang (4697326)   +6 more
core   +1 more source

The oral microbiota and periodontal health in orthodontic patients

open access: yesPeriodontology 2000, EarlyView.
Abstract The oral microbiota develops within the first 2 years of childhood and becomes distinct from the parents by 4 years‐of‐age. The oral microbiota plays an important role in the overall health/symbiosis of the individual. Deviations from the state of symbiosis leads to dysbiosis and an increased risk of pathogenicity.
Brandon W. Peterson   +4 more
wiley   +1 more source

Effects of UVB light on laying hens and eggshell quality [PDF]

open access: yes, 2018
The effects of UVB lights on laying hens and eggshell quality were investigated in this study. UVB light treatment was provided by Philips TL 20W/12 RS SLV/25 tube light. The lights were on 2x30 min per day and were turned on during feeding.
Amatya, Niroj
core  

Teaching Through Making: |xam and !xun Material Culture of the Bleek and Lloyd Collection

open access: yesMuseum Anthropology, Volume 50, Issue 1, Spring 2027.
ABSTRACT At Wits Art Museum (University of the Witwatersrand, Johannesburg, South Africa) is a small collection donated to the former Wits Museum of Ethnology by Percival Kirby in 1952. A note in the accession register ties the items into the context of the renowned ‘Bushman researches’ of Wilhelm Bleek and Lucy Lloyd in Cape Town in the 1870s and ...
Vibeke M. Viestad, Justine Wintjes
wiley   +1 more source

Effects of dietary lysine supplementation on performance, egg quality, and development of reproductive system in egg-laying ducks

open access: yesJournal of Applied Animal Research, 2018
This study was conducted to examine five lysine (Lys) levels (0.75, 0.80, 0.85, 0.90, and 0.95%) to estimate the optimal level of Lys for Longyan laying ducks from 22 to 38 wk of age.
Ahmed Mohamed Fouad   +5 more
doaj   +1 more source

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