Results 111 to 120 of about 3,790 (211)

Feathers and flu: identifying data gaps in avian influenza host dynamics to prioritize wildlife conservation Plumas y gripe: identificación de datos faltantes en la dinámica de hospedadores de la influenza aviar para priorizar la conservación de la vida silvestre

open access: yesWildlife Monographs, Volume 225, Issue 1, September 2026.
We describe the host response continuum for highly pathogenic avian influenza viruses (HPAIV), including the continuum of host responses to HPAIV infection and exposure based on the primary axis of host competence, ability to infect other hosts, and host vulnerability.
Johanna A. Harvey   +9 more
wiley   +1 more source

Nutritional Value of Biofloc Meal for White Cachama (Piaractus orinoquensis): Effects of Inclusion Level on Digestibility, Growth Performance, and Protein Retention

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 4, August 2026.
ABSTRACT Biofloc technology (BFT) offers a sustainable aquaculture strategy; however, the value of its byproduct, biofloc meal (BFM), as a feed ingredient requires validation for key species. This study evaluated the use of BFM from a tilapia–molasses system as a feed ingredient for white cachama (Piaractus orinoquensis) juveniles.
Natalia Álvarez‐Perdomo   +4 more
wiley   +1 more source

Dietary supplementation with Ocimum gratissimum essential oil improves the intestinal bacterial populations of Piaractus mesopotamicus

open access: yesBrazilian Journal of Biology
The aim of this study was to evaluate the effects of the dietary supplementation Ocimum gratissimum essential oil (EO) on pacu (Piaractus mesopotamicus) intestinal microbiota and morphometry. In this study, juveniles of P.
A. P. Moreira   +7 more
doaj   +1 more source

Contrasting Dispersal Histories Shape Distinct Evolutionary Trajectories Between Malesian and Pantropical Talipariti (Malvaceae)

open access: yesEcology and Evolution, Volume 16, Issue 8, August 2026.
Talipariti (Malvaceae) comprises two lineages with contrasting geographic ranges across Malesia: a pantropical sea hibiscus group and a Papuan group restricted to New Guinea and adjacent islands. Using phylogenomics, divergence‐time estimation, and quantitative biogeographical modelling applied to herbarium‐derived genomic data, we demonstrate that the
Fernando Vélez‐Esperilla   +3 more
wiley   +1 more source

Defying Expectations: Extended Lifespan and Age‐Related Telomere Dynamics in the Tropical Bat Species, Molossus molossus

open access: yesEcology and Evolution, Volume 16, Issue 8, August 2026.
We investigated age‐related telomere dynamics in the tropical bat Molossus molossus using a long‐term mark‐recapture study of 492 individuals from Panama. We documented a female surviving to at least 13 years, more than doubling the previously reported maximum lifespan, while finding no consistent evidence of age‐related telomere shortening.
Tadhg Lonergan   +9 more
wiley   +1 more source

Functional Morphology of the Pedal Musculature and Grip Force Estimation in the Red‑and‑Green Macaw (Ara chloropterus Gray, 1859)

open access: yesJournal of Morphology, Volume 287, Issue 8, August 2026.
Integration of detailed hindlimb anatomy with biomechanical analyses demonstrates that pedal performance in the red‐and‐green macaw is driven by specialized muscle architecture and force distribution. Hypertrophy of digit IV flexor musculature, together with modifications of the intrinsic and extensor muscles, enhances grasping stability, climbing, and
Sérgio Roberto Posso   +2 more
wiley   +1 more source

Long‐term changes in functional diversity and its implications for mammalian conservation and ecological restoration in a grassland ecosystem

open access: yesFunctional Ecology, Volume 40, Issue 8, Page 2379-2391, August 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Paleontological data provide information on natural environments prior to human influence, which are useful for tracking changes in ecosystem functioning through time. During the Late Pleistocene, about 10% of terrestrial mammalian species were extinct in South America.
Thayara S. Carrasco   +3 more
wiley   +1 more source

Leukocyte profiles reveal sex and age differences in immune investment in a polygynous bat

open access: yesJournal of Animal Ecology, Volume 95, Issue 8, Page 1453-1463, August 2026.
Analysis of over 500 blood cell profiles, including repeat samples over four years, reveals that male bats from a long‐lived species with a polygynous mating system invest more in innate than adaptive immunity. Investment in innate immunity increases with age, as estimated by a DNA methylation clock and mark‐recapture data.
Gerald S. Wilkinson   +6 more
wiley   +1 more source

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