Results 11 to 20 of about 203,894 (311)

Desempenho e qualidade dos ovos de poedeiras comerciais alimentadas com rações contendo diferentes níveis de metionina e lisina Performance and egg quality of commercial laying hens fed diets with different levels of methionine and lysine

open access: yesRevista Brasileira de Zootecnia, 2010
Foram avaliados os efeitos dos níveis de metionina e lisina sobre o desempenho e a qualidade interna e externa dos ovos de poedeiras comerciais. Foram utilizadas 256 poedeiras Hisex White com 68 semanas de idade, alojadas individualmente em delineamento ...
Mayra Fernanda Rizzo Silva   +5 more
doaj   +1 more source

Effects of Ligustrum lucidum on egg production, egg quality, and caecal microbiota of hens during the late laying period

open access: yesItalian Journal of Animal Science, 2020
This study was conducted to determine the effects of diet supplementation of laying hens with Ligustrum lucidum (LL) on egg production, egg quality and caecal microbiota. A total of 360 72-week-old Hy-Line Brown laying hens were divided into three groups
Xiaochen Chen   +3 more
doaj   +1 more source

The influence of the plant essential oils on internal qualitative parameters and microbiological indicators of hens eggs content

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2010
Essential oils are aromatic oily liquids obtained from plant material (flowers, buds, seeds, leaves, twigs, bark, herbs, wood, fruits and roots). Besides antibacterial properties, essential oils or their components have been shown to exhibit antiviral ...
Henrieta Arpášová   +6 more
doaj   +1 more source

Intestinal Mucosal Immunity-Mediated Modulation of the Gut Microbiome by Oral Delivery of Enterococcus faecium Against Salmonella Enteritidis Pathogenesis in a Laying Hen Model

open access: yesFrontiers in Immunology, 2022
Enterococcus faecium (E. faecium) is a protective role that has crucial beneficial functions on intestinal homeostasis. This study aimed to investigate the effects of E.
Shimeng Huang   +10 more
doaj   +1 more source

Bacteria Broadly-Resistant to Last Resort Antibiotics Detected in Commercial Chicken Farms

open access: yesMicroorganisms, 2021
Resistance to last resort antibiotics in bacteria is an emerging threat to human and animal health. It is important to identify the source of these antimicrobial resistant (AMR) bacteria that are resistant to clinically important antibiotics and evaluate
Jared M. Jochum   +3 more
doaj   +1 more source

ANTIBIOTIC RESISTANCE OF FAECAL ENTEROCOCCI IN DOMESTIC POULTRY AND BROILERS FROM COMMERCIAL FARMS

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of this study was to determine the prevalence and antibiotic resistance of enterococci isolated from domestic poultry, laying hens from ecological farm and broilers from commercial farms. Susceptibilities of isolated enterococci were tested using
IVANA NOVÁKOVÁ   +4 more
doaj  

Níveis de cálcio e granulometrias do calcário para frangas de reposição no período de 3 a 16 semanas de idade Calcium levels and particle size of limestone for replacement pullets the period of 3 to 16 weeks of age

open access: yesCiência e Agrotecnologia, 2004
Realizou-se um experimento com o objetivo de avaliar os efeitos dos níveis nutricionais de cálcio e granulometrias do calcário em rações de frangas de reposição sobre o desenvolvimento corporal e morfométrico do trato digestório.
Adriano Geraldo   +4 more
doaj   +1 more source

A Comprehensive Proteome and Acetyl-Proteome Atlas Reveals Molecular Mechanisms Adapting to the Physiological Changes From Pre-laying to Peak-Laying Stage in Liver of Hens (Gallus gallus)

open access: yesFrontiers in Veterinary Science, 2021
Along with sexual maturity, the liver undergoes numerous metabolic processes to adapt the physiological changes associated with egg-laying in hens. However, mechanisms regulating the processes were unclear. In this study, comparative hepatic proteome and
Zhang Wang   +27 more
doaj   +1 more source

Effects of probiotic supplementation on performance traits, bone mineralization, cecal microbial composition, cytokines and corticosterone in laying hens

open access: yesAnimal, 2019
Recent researches have showed that probiotics promote bone health in humans and rodents. The objective of this study was to determine if probiotics have the similar effects in laying hens.
F.F. Yan, G.R. Murugesan, H.W. Cheng
doaj   +1 more source

Areca catechu L. and Anredera cordifolia (Ten) Steenis supplementation reduces faecal parasites and improves caecal histopathology in laying hens

open access: yesInternational Journal of Veterinary Science and Medicine, 2022
Some studies have shown that the betel nut Areca catechu L and “binahong” leaves Anredera cordifolia (Ten) Steenis have anti-parasite and wound healing properties. This study evaluated the effect of A. catechu nut and A.
Retno Murwani   +2 more
doaj   +1 more source

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