Showing 661 - 680 results of 951 for search '"Birds ', query time: 0.10s Refine Results
  1. 661

    Results of experimental infection of vaccinated and non-vaccinated ducklings with duck hepatitis virus by A. A. Chesnokova, E. V. Ivanova, V. V. Pronin, O. A. Chupina, V. Yu. Fomenko, M. S. Volkov, V. N. Irza

    Published 2022-12-01
    “…Pathomorphological studies carried out post experimental infection indicate that duck hepatitis virus induces pathogenic effect not only in birds’ digestive organs (the liver, in particular) but also causes degenerative changes in central and peripheral immune organs: in cloacal bursa, thymus and third eyelid gland, that may be manifested as deficiency of B- and T-cell immunity and requires further studies. …”
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  2. 662

    Research Note: Testing the validity of latency-to-lie tests without water for objective on-farm assessment of walking ability of broiler chickens by Kaitlin Wurtz, Sigga Rasmussen, Anja Riber

    Published 2025-01-01
    “…The latency-to-lie (LTL) test is an objective method for assessing walking ability of broiler chickens which has traditionally consisted of placing a bird into a tub of shallow water and measuring how long it takes the standing bird to sit, with duration being negatively associated with gait score. …”
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  3. 663

    Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress by ML X Júnior, RD Bernardes, CH Oliveira, KMM Dias, BF Almeida, SO Borges, FS Dalólio, KM Gomes, CJ Rodrigues, AA Calderano

    Published 2025-01-01
    “…Male chickens (n = 768, 22 days old) were randomly assigned to a 4x3 factorial with 4 Cr levels (0, 500, 1000, and 1500 ppb) and 3 VitE levels (0, 150, and 300 mg/kg), totaling 12 treatments with 8 replicates and 8 birds per experimental unit. Performance, glucose levels, thyroid hormone levels, heterophil-to-lymphocyte (H:L) ratio, malondialdehyde (MDA) in muscle, relative weight of lymphoid organs, and HSP70 mRNA expression were measured. …”
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  4. 664

    Discovery of a novel Mediterranean Haemaphysalis (Ornithophysalis) doenitzi group tick species infesting Falco eleonorae on Antikythira Island, Greece by Lidia Chitimia-Dobler, Christos Barboutis, Anastasios Bounas, Christina Kassara, Ben J. Mans, Anastasios Saratsis, Ala Tabor

    Published 2024-08-01
    “…Within the context of a long-term monitoring and conservation programme on Antikythira Island, Greece, which accommodates one of the largest concentrations of breeding pairs of Eleonora's falcons globally, birds were subjected to regular inspections for the presence of ticks from 2017 to 2023. …”
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  5. 665

    Development of real-time RT-PCR for N2 subtype avian influenza RNA-virus detection by P. B. Akshalova, A. V. Andriyasov, L. O. Scherbakova, S. N. Kolosov, N. G. Zinyakov, I. A. Chvala, D. B. Andreychuk

    Published 2020-09-01
    “…Currently, N2 subtype avian influenza (AI) virus actively circulates in domestic and wild bird populations and is regularly detected in China, other Asian countries and Russia, particularly in combination with H9 hemagglutinin. …”
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  6. 666

    Migration strategy and constraint in migration behavior vary among shorebird species with different life histories by Sarah J. Clements, Jason P. Loghry, Jennifer A. Linscott, Jorge Ruiz, Joe C. Gunn, Juan G. Navedo, Nathan R. Senner, Bart M. Ballard, Mitch D. Weegman

    Published 2025-01-01
    “…Understanding variation in migration strategy within and among species and individuals can be useful for understanding how birds navigate energetic trade‐offs and designing or modifying conservation plans meant to benefit multiple species and life histories. …”
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  7. 667

    Linking Functional Traits To Trophic Roles In Scavenger Assemblages by Violeta Marie Montenegro, Patricia Mateo‐Tomás, Jessica Schneider, Daisy H. Dent, Tom Crowther, Carolina Bello

    Published 2025-01-01
    “…To identify species with specialized roles, we studied three scavenger networks (one in north temperate Spain and two in central‐south Mediterranean Spain) that comprised 25 scavenger species (65% birds and 35% mammals), consuming carcasses of four wild ungulate species. …”
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  8. 668

    Spatial scales matter in designing buffer zones for coastal protected areas along the East Asian-Australasian Flyway by Roger H. Lee, Ivan H.Y. Kwong, Tom C.H. Li, Paulina P.Y. Wong, Yik-Hei Sung, Yat-Tung Yu

    Published 2025-01-01
    “…We found that suitable habitats were predominantly found within protected areas, yet ardeids, large wading birds, ducks and grebes also relied on buffer zones. …”
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  9. 669

    Evaluation of Antimicrobial Activity of Four Organic Acids Used in Chicks Feed to Control Salmonella typhimurium: Suggestion of Amendment in the Search Standard by Aicha El Baaboua, Mohamed El Maadoudi, Abdelhakim Bouyahya, Omar Belmehdi, Ayoub Kounnoun, Rajae Zahli, Jamal Abrini

    Published 2018-01-01
    “…The neutralization of these organic acids in vitro and in the presence of one-day-old chick’s organs was also investigated during the search for Salmonella serovars in birds as described in the Moroccan standard “NM 08.0.550.” …”
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  10. 670

    Predicting species distributions in the open ocean with convolutional neural networks by Morand, Gaétan, Joly, Alexis, Rouyer, Tristan, Lorieul, Titouan, Barde, Julien

    Published 2024-09-01
    “…In this case study, we considered 38 taxa comprising pelagic fishes, elasmobranchs, marine mammals, marine turtles and birds. We trained a model to predict probabilities from the environmental conditions at any specific point in space and time, using species occurrence data from the Global Biodiversity Information Facility (GBIF) and environmental data from various sources. …”
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  11. 671

    Behind the lenses: Biases in the contribution of wildlife photography to biodiversity representation by Héctor Ruiz‐Villar, Ana Morales‐González, Jon Morant

    Published 2025-02-01
    “…We also detected an increase in representation of Mangroves, Marine Ecosystems, Tundra and temperate forests and grasslands. Mammals and birds were overrepresented in photographs while insects and plants were underrepresented, and so were species listed as ‘Least Concern’ and ‘Data Deficiency’. …”
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  12. 672

    Association of a non-synonymous substitution in the condensin NCAPG gene with traits of eggs in laying hens by O. Yu. Barkova, M. G. Smaragdov

    Published 2016-03-01
    “…Eggs have been researched for decades due to their importance for the reproduction of birds, as well as for its widespread use in pharmaceutical, cosmetic and food industries. …”
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  13. 673

    Efficacy of probiotic Bacillus licheniformis DSM 28710 on performance and the mitigation of Clostridium perfringens-induced necrotic enteritis in broiler chickens by W. Van der Veken, V. Hautekiet, E.A. Kimminau, C. Hofacre, G.F. Mathis

    Published 2021-05-01
    “…Feed conversion ratio (FCR) values followed a similar pattern throughout the study, with a significantly lower overall FCR for the B-Act and OXT groups compared to the control (P<0.05; d0-42). Birds fed B-Act had significantly (P<0.05) lower NE lesions compared to the control and OXT group on day 21, although OXT was not supplemented to the animals at this stage yet. …”
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  14. 674

    Super Dosing of IP6 Phytase in Phosphorus-Deficit Diets to Replace Added Phosphorus and Evaluate Growth Performance, Nutrient Digestibility and Bone Mineralization of Broiler Chick... by Bahadur Ali, Muhammad Irfan

    Published 2025-01-01
    “…Seven hundred and fourteen (714) day-old Ross-308 broiler chicks were randomly distributed into forty-two experimental pens (6 replicates and 17 birds/pen). Seven isonitrogenous experimental diets were formulated for starter (1-21 days) and finisher (22-28 days) phases. …”
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  15. 675

    Known and novel parvoviruses identified in domestic pigeons by Ewa Łukaszuk, Daria Dziewulska, Anthony Khalifeh, Joy M. Custer, Simona Kraberger, Arvind Varsani, Tomasz Stenzel

    Published 2025-01-01
    “…Our intention was to determine a connection between the presence of the virus and the occurrence of clinical signs in sampled birds. The results of quantitative analysis indicate no direct association of parvoviruses with the manifestation of enteric disease in pigeons. …”
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  16. 676

    Distribution and Numbers of Three Globally Threatened Waterbird Species Wintering in Morocco: The Common Pochard, Marbled Teal, and White-Headed Duck by Asmaâ Ouassou, Mohamed Dakki, Mohammed-Aziz El Agbani, Abdeljebbar Qninba, R’himou El Hamoumi

    Published 2021-01-01
    “…Morocco plays a key role in the life of many migratory birds and their survival, thanks to the diversity and richness of its ecosystems. …”
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  17. 677

    Great Tit (Parus major) Nestlings Have Longer Telomeres in Old‐Growth Forests Than in Young Forests by Ronalds Krams, Dina Cīrule, Maris Munkevics, Sergejs Popovs, Priit Jõers, Jorge Contreras Garduño, Indrikis A. Krams, Tatjana Krama

    Published 2025-01-01
    “…Our results suggest that the forest habitats affected by industrial forestry may represent ecological traps, as the development of young birds in deteriorated environments can affect the age structure of populations.…”
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  18. 678

    Fluralaner systemic treatment of chickens results in mortality in Triatoma gerstaeckeri, vector of the agent of Chagas disease by Cassandra Durden, Yuexun Tian, Koyle Knape, Cory Klemashevich, Keri N. Norman, John B. Carey, Sarah A. Hamer, Gabriel L. Hamer

    Published 2023-06-01
    “…Triatoma gerstaeckeri nymphs were allowed to feed on insecticide-live birds at 0, 3, 7, 14, 28 and 56 days post-treatment. …”
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  19. 679

    Morphometric characteristics of organs of female chickens (Pazo de Vilane) supplemented with Curcuma longa by D. F. Maldonado Arias, J. M. Mira-Naranjo, D. I. Cajamarca Carrazco, J. I. García-Guerra, M. F. Baquero-Tapia, M. E. Sánchez-Salazar, E. M. Melendres-Medina, A. N. Montalvan-Cobo, S. A. Guamán-Rivera

    Published 2025-01-01
    “…Therefore, a total of 200 birds were randomly distributed into four homogeneous groups, being Control, basal diet only, followed by T1, basal diet + 1 g/d, T2, basal diet + 2 g/d and T3, basal diet + 3 g/d of C. longa. …”
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  20. 680

    Prevalence and Subtypes Distribution (ST10, ST14, ST25, ST26) of Blastocystis spp. in Anatolian Water Buffalo (Bubalus bubalis) in Van, Türkiye by Adnan Ayan, Burcak Aslan Celik, Ozgur Yasar Celik, Ali Bilgin Yilmaz, Ozlem Orunc Kilinc, Ozge Oktay Ayan

    Published 2024-11-01
    “…On the basis of the genetic heterogeneity of small subunit ribosomal RNA, at least 28 subtypes (ST1‐ST17, ST21 and ST23–ST32) are reported to exist in mammals and birds. Objectives This study was carried out to determine the prevalence and subtypes of Blastocystis spp. in Anatolian buffaloes (Bubalus bubalis) in Van province in the Eastern Anatolia Region of Turkey. …”
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