Results 141 to 150 of about 841,035 (344)

The Effect of Housing Systems on the Growth, Egg production, Overall Egg Weight and Egg Quality Traits of a New Turkish Laying Hen Hybrid, Akbay [PDF]

Brazilian Journal of Poultry Science
This study was conducted to determine the effects of housing systems (free-range and conventional cage) during the egg-laying phase on the growth, egg production, overall egg weight, and egg quality traits of a new Turkish laying hen hybrid, Akbay.
M Baylan, K Kursun, N Abdallah, LB Celik, F Yenilmez, H Kutay   +5 more
doaj   +1 more source

Influence of commercial laying hen housing systems on the incidence and identification of Salmonella and Campylobacter1

Poultry Science, 2016
The housing of laying hens is important for social, industrial, and regulatory aspects. Many studies have compared hen housing systems on the research farm, but few have fully examined commercial housing systems and management strategies.
Deana R. Jones, J. Guard, R. Gast, R. J. Buhr, P. Fedorka-Cray, Z. Abdo, J. Plumblee, D. Bourassa, N. A. Cox, L. Rigsby, C. Robison, P. Regmi, D. Karcher   +12 more
semanticscholar   +1 more source

Effect of bird age and storage system on physical properties of eggs from brown laying hens [PDF]

, 2010
A total of 108 eggs from a group of 100 brown laying hens housed in standard cages were analyzed. Thirty-six eggs were retired when the hens had 30 week of age, other 36 eggs were retired when the hens had 35 week of age and the remaining 36 eggs were ...
Buxade Carbo, Carlos, Callejo Ramos, Antonio, Cardoso Maciel, William, Daza Andrada, Argimiro, Siqueira de Castro Teixeira, Regis   +4 more
core   +1 more source

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 ...
A.-G. Gjevre, B. Bell, B. Thind, C. Chauve, D. Moore, EMOUS R.A. VAN, J. Chirico, J. Zoons, M. Mul, MAURER V., O. Kilpinen, O. Sparagano, STEENBERG T., T. Van Niekerk, V. Maurer, ZOONS J.   +15 more
core   +3 more sources

Recent Advances in the Laser‐Based Fabrication and Applications of High‐Entropy Alloy Nanoparticles

MetalMat, EarlyView.
This review presents recent advances in the laser‐based fabrication of high‐entropy alloy nanoparticles, focusing on scalable, environmentally friendly, and compositionally tunable synthesis methods. It highlights the critical influence of laser parameters on nanoparticle size, phase, and morphology, enabling tailored properties for applications in ...
Bibek Kumar Singh, Rajesh Rawat, Archana Tiwari, Venugopal Rao Soma, Ajay Tripathi   +4 more
wiley   +1 more source

Ammonia Emissions of Laying-Hen Manure as Affected by Accumulation Time

The Journal of Poultry Science, 2011
A study was conducted to investigate how ammonia (NH3) emission of laying hen manure is affected by manure accumulation time (MAT). Three trials were conducted.
Justin H. Chepete, Hongwei Xin, Hong Li
doaj   +1 more source

The utilization of the Welfare Quality® assessment for determining laying hen condition across three housing systems.

Poultry Science, 2016
The Welfare Quality(®) Assessment protocol for poultry ( WQA: ) provides animal-based measures allowing welfare comparisons across farms and housing systems.
R. Blatchford, R. Fulton, J. Mench
semanticscholar   +1 more source

Moisture Production of A Commercial Laying Hen House with Manure Belt [PDF]

, 2005
Moisture Production rate (MP) from animals and their housing components provide fundamental data for the engineering design of a building environmental control system.
Li, Hong, Liang, Yi, Xin, Hongwei, Xin, Hongwei   +3 more
core   +2 more sources

Social, Technological, Economic, and Policy Factors in the Circular Economy Transition in Brazil

Sustainable Development, EarlyView.
ABSTRACT A well‐functioning circular economy (CE) integrates resilience across economic, environmental, and social dimensions. This study identifies key drivers and barriers to Brazil's CE transition through 20 semi‐structured interviews with stakeholders. Major sociocultural barriers include inadequate education and limited CE awareness, while growing
Alejandro Gallego‐Schmid, Ana Belén Guerrero, Ricardo Rebolledo‐Leiva, Alvaro Elorrieta‐Mendoza, Denisse Milagros Paredes Cotohuanca, Raphael Ricardo Zepon Tarpani, Rodrigo Salvador, Murillo Vetroni Barros, Claudia E. Henninger, Leonardo Vásquez‐Ibarra   +9 more
wiley   +1 more source

Zinc Methionine for Stressed Laying Hens

Poultry Science, 1992
The effects of zinc methionine product (ZP) supplementation to Single Comb White Leghorn hens on egg production and quality were measured through three consecutive egg laying cycles. During the first and second lay cycles, ZP had minor or nonsignificant effects upon hen performance.
E W, Kienholz, R E, Moreng, J D, Flinchum   +2 more
openaire   +2 more sources