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Development of methods for detection and quantification of avian influenza and Newcastle disease viruses in compost by real-time reverse transcription polymerase chain reaction and virus isolation.

Effects of dietary energy content on the performance of laying hens in furnished and conventional cages.

Effect of light intensity on live performance and processing characteristics of broilers.

Genetic control of embryonic cardiac growth and functional maturation in turkeys.

Mixed model studies on inheritance of reproductive traits in laying hens - a Bayesian approach.

Different behavioral and physiological responses in two genetic lines of laying hens after transportation.

Polymorphisms of vasoactive intestinal peptide receptor-1 gene and their genetic effects on broodiness in chickens.

Growth rate of ascites-resistant versus ascites-susceptible broilers in commercial and experimental lines.

Additions of killed whole cell bacteria preparations to Freund complete adjuvant alter laying hen antibody response to soluble protein antigen.

Decreased specific antibody responses to alpha-Gal-conjugated antigen in animals with preexisting high levels of natural antibodies binding alpha-Gal residues.

Detection of T lymphocytes in intestine of broiler chicks treated with Lactobacillus spp. and challenged with Salmonella enterica serovar Enteritidis.

The effect of carrier for vitamin E on liver concentrations of vitamin E and vitamin E excretion in broilers.

Influence of enzyme supplementation and heat processing of barley on digestive traits and productive performance of broilers.

The effect of dietary phosphorus level and phytase supplementation on growth performance, bone-breaking strength, and litter phosphorus concentration in broilers.

The effect of dietary sinapic acid (4-hydroxy-3, 5-dimethoxy-cinnamic acid) on gastrointestinal tract microbial fermentation, nutrient utilization, and egg quality in laying hens.

The effect of gender on the bacterial community in the gastrointestinal tract of broilers.

Temporal distribution and genetic fingerprinting of Salmonella in broiler flocks from southern Japan.

Effects of cold stress on the messenger ribonucleic acid levels of corticotrophin-releasing hormone and thyrotropin-releasing hormone in hypothalami of broilers.

Expression of avian beta-defensins in the oviduct and effects of lipopolysaccharide on their expression in the vagina of hens.

Reduction of Salmonella Enteritidis in shell eggs using directional microwave technology.

The effect of chilling in cold air or ice water on the microbiological quality of broiler carcasses and the population of Campylobacter.

Year: 2008 Volume: 87 Issue: 4

Year: 2008 Volume: 87 Issue: 3

Year: 2008 Volume: 87 Issue: 2

Year: 2006 Volume: 85

Effects of dietary energy content on the performance of laying hens in furnished and conventional cages.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Valkonen, E. Venäläinen, E. Rossow, L. Valaja, J.
Description	Country affiliation: Finland Author Affiliation: Valkonen E ( MTT Agrifood Research Finland, Animal Production Research, FI-31600 Jokioinen, Finland. eija.valkonen@mtt.fi)
Abstract	This study examined the effects of dietary energy content on the egg production and egg quality of hens kept in 3-hen conventional cages or 8-hen furnished cages. A total of 1,088 Lohmann Selected Leghorn hens were housed in either furnished or conventional cages and offered low- or high-energy diets (from 2,342 to 2,414 kcal/kg or from 2,581 to 2,629 kcal/kg) during 3 consecutive feeding phases of 20, 16, and 16 wk, respectively. The same dietary energy effects were observed in both cage systems. The hens that received the low-energy diet consumed more feed (P < 0.01) and produced fewer eggs per day (P < 0.05) than the birds fed the high-energy diet. Over the entire experiment, housing had no significant effects on production parameters, but during the third feeding phase, the production rate was smaller in furnished cages than in conventional cages (P < 0.01). Because of the greater live weight of the hens in furnished cages at the beginning of the experiment, these hens consumed more feed during the first feeding phase than the hens in conventional cages. During the third feeding phase, the hens in furnished cages consumed less feed than those in conventional cages (P < 0.01), probably because of their better feather cover. No differences in feed conversion ratio were found between the cage types. The results of this study confirm the results of previous studies providing evidence of equal production rates and feed conversion ratios in furnished and conventional cages.
File Format	HTM / HTML
ISSN	00325791
e-ISSN	15253171
Journal	Poultry Science
Issue Number	5
Volume Number	87
Language	English
Publisher	Oxford University Press
Publisher Date	2008-05-01
Publisher Place	Great Britain (UK)
Access Restriction	Open
Subject Keyword	Discipline Veterinary Medicine Physiology Diet Veterinary Energy Intake Housing, Animal Oviposition Animal Feed Animal Nutritional Physiological Phenomena Animal Welfare Animals Energy Metabolism Randomized Controlled Trial Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Medicine Animal Science and Zoology

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Effects of ginger root (Zingiber officinale) on laying performance and antioxidant status of laying hens and on dietary oxidation stability.

Comparing responses to different selenium sources and dosages in laying hens.

Effect of crude glycerin level in the diet of laying hens on egg performance and nutrient utilization.

Effects of energy concentration of the diet on productive performance and egg quality of brown egg-laying hens differing in initial body weight.

Productive performance, eggshell quality, and eggshell ultrastructure of laying hens fed diets supplemented with organic trace minerals.

Treated fava bean (Vicia faba var. minor) as substitute for soybean meal in diet of early phase laying hens: egg-laying performance and egg quality.

Performance and welfare of laying hens in conventional and enriched cages.

Behavior of laying hens on alfalfa crumble molt diets.

The preference for high-fiber feed in laying hens divergently selected on feather pecking.

Effects of dietary energy content on the performance of laying hens in furnished and conventional cages.

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Effects of ginger root (Zingiber officinale) on laying performance and antioxidant status of laying hens and on dietary oxidation stability.

Comparing responses to different selenium sources and dosages in laying hens.

Effect of crude glycerin level in the diet of laying hens on egg performance and nutrient utilization.

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Effects of dietary energy content on the performance of laying hens in furnished and conventional cages.