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Animals publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Advancing Nutrient Utilization, Product Quality, and Production Efficiency in Livestock Through Omics and Targeted Molecular Approaches

edited by

Janghan Choi

submission deadline 31 Dec 2025 | 5 articles | Viewed by 5353 | Submission Open

Keywords: animal nutrition; gut and systemic health; meat quality; omics analyses; microbiome analysis; genotyping; RNA sequencing; proteomics; metabolomics; lipidomics; nutrient utilization; production efficiency

(This special issue belongs to the Section Animal Nutrition)

Pet Nutrition and Health

edited by

Xiao Xiao

, Caimei Yang and

Guangtian Cao

submission deadline 31 Dec 2025 | 2 articles | Viewed by 4788 | Submission Open

Keywords: pet; nutrition and health; feed additives; multi-omics; intestinal homeostasis; animal models; metabolism

(This special issue belongs to the Section Companion Animals)

Impacts of Silage-Based Forages on Ruminant Health and Welfare

edited by

Fulin Yang

submission deadline 31 Dec 2025 | 4 articles | Viewed by 4715 | Submission Open

Keywords: silage nutrition; ruminant production; sustainable agriculture; silage preservation techniques; rumen fermentation; nutrient absorption; animal health enhancement; growth performance; environmental sustainability; silage-based diets

(This special issue belongs to the Section Animal Nutrition)

General Epidemiology of Animal Viruses (Second Edition)

edited by

Anna Szczerba-Turek

submission deadline 31 Dec 2025 | 2 articles | Viewed by 4221 | Submission Open

Keywords: epidemiology; viruses; one health; zoonoses; molecular evolution; public health; wildlife conservation; cross-species transmission; prevention and control; biosecurity; virus ecology

(This special issue belongs to the Section Veterinary Clinical Studies)

Effects of Heat Stress on Animal Reproduction and Production

edited by Leonel Avendaño-Reyes

submission deadline 31 Dec 2025 | 6 articles | Viewed by 4138 | Submission Open

Keywords: hot environment; body temperature; milk production and composition; daily weight gain; growth rate; conception rate; reproductive efficiency; fertility; semen quality

(This special issue belongs to the Section Animal System and Management)

Antimicrobial Peptides in Animals and Their Application in Veterinary Medicine

edited by

Filippo Fratini

and

Francesca Paola Nocera

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3979 | Submission Open

Keywords: bacteria; antibiotic resistance; antimicrobial peptides; mechanisms of action; clinical potential

(This special issue belongs to the Section Veterinary Clinical Studies)

Diagnostic Research, Epidemiology and New Therapeutic Options in Companion and Wild Animals: 2nd Edition

edited by

Felisbina Luisa Queiroga

submission deadline 31 Dec 2025 | 3 articles | Viewed by 3944 | Submission Open

Keywords: artificial intelligence (AI) in diagnostics; minimally invasive procedures; biomarkers and prognostic factors; epidemiology of infectious and neoplastic diseases; AI-driven predictive models in treatment; companion and wild animal diseases; one health and zoonoses; diagnostic imaging and histopathology; molecular techniques in veterinary medicine; new therapeutic approaches (immunotherapy; gene therapy; hormone therapy)

(This special issue belongs to the Section Veterinary Clinical Studies)

Wildlife Health and Medicine: Ecosystem-Based Approaches to Diagnosis, Treatment and Preventative Care

edited by

Simone Angelucci

Cristina Esmeralda Di Francesco

Camilla Smoglica

and Jorge Ramón López-Olvera

submission deadline 31 Dec 2025 | 3 articles | Viewed by 3473 | Submission Open

Keywords: conservation medicine; One Health; wildlife health; wildlife disease monitoring; wildlife-livestock– human interface; gps-based radiotelemetry; ecosystem health; wildlife rehabilitation; post-release monitoring

(This special issue belongs to the Section Wildlife)

Sperm Quality Assessment in Domestic Animals

edited by

Krzysztof Górski

and Stanisław Kondracki

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3426 | Submission Open

Keywords: sperm quality; sperm morphology; semen preservation; semen storage; sperm dimension

(This special issue belongs to the Section Animal Reproduction)

Nutrition and Health of Aquatic Animals

edited by

Jianan Xian

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3116 | Submission Open

Keywords: nutrition; immunity; disease resistance; aquatic animals; feed

(This special issue belongs to the Section Aquatic Animals)

Advancements in Veterinary Biosecurity: Safeguarding Animal Health

edited by

Alessandra Piccirillo

Andrea Laconi

and

Ronald R. B. Vougat Ngom

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3082 | Submission Open

Keywords: biosecurity; livestock; poultry; pig; cattle; small ruminants; aquaculture; fish; antimicrobial resistance; infectious disease

(This special issue belongs to the Section Veterinary Clinical Studies)

Welfare and Behavior of Laying Hens

edited by

Runxiang Zhang

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2789 | Submission Open

Keywords: egg production; animal behavior; animal welfare; animal ethics; healthy farming

(This special issue belongs to the Section Animal Welfare)

Recent Advances in Nutritional Ingredients for Aquaculture

edited by

Matteo Zarantoniello

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2783 | Submission Open

Keywords: aquaculture; fish nutrition; crustacean nutrition; aquafeeds; feed additives; aquafeeds ingredients; fish welfare; fillet quality

(This special issue belongs to the Section Animal Nutrition)

Embracing Nature's Guidance: Conservation in Wildlife

edited by

Feng Xu

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2579 | Submission Open

Keywords: wildlife conservation; habitat fragmentation; biodiversity loss; conservation strategies; human-wildlife conflict; wildlife conservation; climate change; ecosystem restoration

(This special issue belongs to the Section Ecology and Conservation)

Poultry Nutritional Requirements

edited by Fernando Guilheme Perazzo Costa

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2415 | Submission Open

Keywords: poultry; requirements; energy; amino acid; vitamins; trace elements

(This special issue belongs to the Section Animal Nutrition)

Human–Animal Interaction: Animal Behaviour and Whole-Person Health in Animal-Assisted Interventions

edited by Meredith L. Stensland

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2144 | Submission Open

Keywords: animal-assisted intervention; whole-person health; human– animal bond; animal behaviour

(This special issue belongs to the Section Human-Animal Interactions, Animal Behaviour and Emotion)

Feature Papers in Veterinary Clinical Studies: From Current to Emerging Technologies and Innovative Approaches for the Future

edited by

Cinzia Benazzi

Giuseppe Sarli

Leonardo Della Salda

and

Luisa Vera Muscatello

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2140 | Submission Open

Keywords: gold standard diagnostic techniques; pathology of domestic and wild animals; fish; zoonosis; environmental pollutants

(This special issue belongs to the Section Veterinary Clinical Studies)

Sentinel Species and Environmental Pollutants Exposure in Animal Health

edited by Clara Naccari and Ernesto Palma

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2100 | Submission Open

Keywords: sentinel species; bio-indicators; inorganic and organic contaminats; environmental pollution; animals health status

(This special issue belongs to the Section Ecology and Conservation)

Small Animal Orthopedic Surgery, Physical Therapy and Rehabilitation—Second Edition

edited by

L. Miguel Carreira

and

João Alves

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1675 | Submission Open

Keywords: orthopedic rehabilitation physical therapy; orthopedic surgery; osteoarthritis; musculoskeletal system; surgical sports medicine; balance and stability; orthopedic pain

(This special issue belongs to the Section Veterinary Clinical Studies)

Feeding Strategies to Improve the Health or Development of Piglets

edited by Chunyan Xie and

Jing Wang

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1414 | Submission Open

Keywords: maternal programming; weaning transition; feed additives; immune development; antioxidant capacity; nutrient digestibility; suckling piglet nutrition; precision nutrition; antimicrobial agent

(This special issue belongs to the Section Animal Nutrition)

Assisted Reproductive Technologies in Production Animals

edited by

Andrés Gambini

and

Rafael Fernández-Martín

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1207 | Submission Open

Keywords: assisted reproductive technologies; livestock breeding; in vitro fertilization; embryo transfer; intracytoplasmic sperm injection; genetic improvement; sustainable agriculture; animal welfare; cloning; in vitro breeding; stem cells

(This special issue belongs to the Section Animal Reproduction)

Surgical Procedures and Postoperative Complications in Animals

edited by Federico Massari

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1162 | Submission Open

Keywords: complication; surgical procedure; postoperative; outcome; recovery

(This special issue belongs to the Section Veterinary Clinical Studies)

Advances in Small Ruminant Lentivirus Research: New Diagnostics, Emerging Trends, and Future Perspectives

edited by

Monika Olech

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1073 | Submission Open

Keywords: small ruminant lentiviruses; SRLV; MVV; CAEV; sheep; goats; wild ruminants; diagnosis; management strategies

(This special issue belongs to the Section Veterinary Clinical Studies)

Adaptations for Animal Survival: Morphological Features or Physiological Mechanisms—Second Edition

edited by

Roberto Cabo

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1043 | Submission Open

Keywords: adaptation; evolution; habitat; environment; morphology; physiology; survival

(This special issue belongs to the Section Wildlife)

Current Research on Donkeys and Mules: Second Edition

edited by Alejandro Pérez-Écija and

Francisco J. Mendoza

submission deadline 31 Dec 2025 | 1 articles | Viewed by 986 | Submission Open

Keywords: donkey; mule; internal medicine; behavior; pathology; clinical pathology; welfare; physiology; pathogens; milk; pharmacology

(This special issue belongs to the Section Equids)

Environmental Physiology and Health in Animals: Mechanisms, Adaptations and Welfare

edited by Dan Shen and

Chunmei Li

submission deadline 31 Dec 2025 | 2 articles | Viewed by 799 | Submission Open

Keywords: animal physiology; animal– environment interaction; molecular adaptation; adaptation mechanisms; animal welfare

(This special issue belongs to the Section Animal Physiology)

Chronophysiology and Body Temperature Homeostasis in Domestic Animals

edited by

Claudia Giannetto

and Francesca Aragona

submission deadline 31 Dec 2025 | 1 articles | Viewed by 534 | Submission Open

Keywords: domestic animals; body temperature; chronophysiology; daily rhythms; thermal homeostasis

(This special issue belongs to the Section Animal Physiology)

Bird Behavior and Diversity in the Anthropocene: Second Edition

edited by

Lucas M. Leveau

submission deadline 31 Dec 2025 | Viewed by 508 | Submission Open

Keywords: behavioral ecology; population ecology; community ecology

Husbandry and Welfare of Young Ruminants

edited by

Nicola Blackie

submission deadline 31 Dec 2025 | Viewed by 396 | Submission Open

Keywords: dairy calves; beef calves; lambs; goats; animal welfare; animal husbandry; animal behavior; positive welfare; environmental enrichment; public perception

(This special issue belongs to the Section Animal System and Management)

Advances in Livestock Breeding: From DNA Sequencing to Selection Techniques

edited by

Grzegorz Smołucha

and

Anna Koseniuk

submission deadline 31 Dec 2025 | Viewed by 366 | Submission Open

Keywords: livestock breeding; DNA sequencing; proteomics; genomics; mass spectrometry; biomarkers; genetic selection; multi-omics integration; functional genomic; sustainable agriculture

(This special issue belongs to the Section Animal Genetics and Genomics)

Fish Reproduction: Molecular Mechanism and Extrinsic Factors Affecting the Gonad Development—Second Edition

edited by

Irfan Ahmad Bhat

and Rupam Sharma

submission deadline 31 Dec 2025 | Viewed by 348 | Submission Open

Keywords: fish; reproduction; gonad; PGC; sex differentiation; HPG axis; hormones; steroids

(This special issue belongs to the Section Aquatic Animals)

The Impact of Silage on Milk Yield, Milk Quality and Dairy Products of Ruminants

edited by

Massimo Todaro

and

Riccardo Gannuscio

submission deadline 31 Dec 2025 | Viewed by 348 | Submission Open

Keywords: silage quality; milk yield; milk composition; dairy quality; nutraceutical compounds

(This special issue belongs to the Section Animal Nutrition)

Sustainable Grazing Management: Maximizing Livestock Performance While Minimizing Environmental Impact

edited by

Brandon Smith

submission deadline 31 Dec 2025 | Viewed by 305 | Submission Open

Keywords: greenhouse gasses; methane; carbon sequestration; soil health; grazing efficiency; grazing management

(This special issue belongs to the Section Animal System and Management)

Natural Antioxidants in Small Ruminant Nutrition: Revolutionizing Meat and Dairy Quality

edited by

Panagiotis Simitzis

and

Athanasios I. Gelasakis

submission deadline 31 Dec 2025 | Viewed by 165 | Submission Open

Keywords: sheep; goat; meat; milk; natural agents; oxidative stability; food safety

(This special issue belongs to the Section Small Ruminants)

Impact of Technological Innovations on Farm Animals’ Reproduction Improvement

edited by

Ioannis A. Tsakmakidis

Athina Basioura

and

Theodoros Ntallaris

submission deadline 31 Dec 2025 | Viewed by 158 | Submission Open

Keywords: reproductive technology; biomedical measurements; environmental measurements; technological applications; imaging; sensors; laboratory modern techniques; semen analysis; in vitro embryo production

(This special issue belongs to the Section Animal Reproduction)

Prospects for Innovative Immunostimulants for Aquaculture

edited by Elizabeth Monreal-Escalante,

Carlos Angulo

and

Yuniel Méndez-Martínez

submission deadline 1 Jan 2026 | 1 articles | Viewed by 4272 | Submission Open

Keywords: fish and shellfish immunology; aquaculture; immunostimulants; host– pathogen interactions; gut microbiota modulation; vaccines; probiotics; prebiotics; postbiotics; paraposbiotics; medicinal plants

Nutritional Physiology in Ruminants: Immune Status and Antioxidant Capacity

edited by

Valeria Pasciu

and

Elena Baralla

submission deadline 1 Jan 2026 | Viewed by 441 | Submission Open

Keywords: antioxidant; oxidative stress; animal matrices; redox balance

(This special issue belongs to the Section Animal Physiology)

Novel Strategies for Synchronization and Resynchronization of the Estrous Cycle in Beef Cattle

edited by

Jordan M. Thomas

and Thiago Martins

submission deadline 1 Jan 2026 | Viewed by 159 | Submission Open

Keywords: estrous synchronization; beef cattle; resynchronization; timed AI; reproductive efficiency; reproductive physiology; sex-sorted semen; breeding systems; hormone protocols

(This special issue belongs to the Section Animal Reproduction)

Structures of Human–Animal Interaction

edited by Mika Simonen

submission deadline 5 Jan 2026 | 2 articles | Viewed by 2787 | Submission Open

Keywords: conversation analysis; ethnography; ethology; human– animal interaction; interspecies interac-tion; linguistics; multispecies relationships; phonetics; psychology

(This special issue belongs to the Section Human-Animal Interactions, Animal Behaviour and Emotion)

Reuse of Agri-Food By-Products in Animal Nutrition and Their Effects on Livestock Performance and Product Quality

edited by

Ainhoa Sarmiento-García

and

Ceferina Vieira Aller

submission deadline 10 Jan 2026 | Viewed by 269 | Submission Open

Keywords: agri-food by-products; animal nutrition; livestock performance; product quality; sustainability

(This special issue belongs to the Section Animal Nutrition)

Nutrient Utilization, Requirements and Nutrigenomics in Sheep and Goats

edited by

Christopher D. Lu

submission deadline 15 Jan 2026 | 15 articles | Viewed by 31344 | Submission Open

Keywords: nutrition; nutrient requirements; sheep; goats; nutrigenomics; utilization

(This special issue belongs to the Section Small Ruminants)

Exploring Wildlife Parasitology: Impacts on Health, Biodiversity, and Ecosystems

edited by Eligia Rodríguez-Ponce and Kevin M. Santana Hernández

submission deadline 15 Jan 2026 | 5 articles | Viewed by 10520 | Submission Open

Keywords: wildlife; parasites; ecosystem health; zoonotic diseases

(This special issue belongs to the Section Ecology and Conservation)

Metabolic and Endocrine Regulation in Ruminants: Second Edition

edited by

Kristy DiGiacomo

and Fernanda Zamuner

submission deadline 15 Jan 2026 | 2 articles | Viewed by 3947 | Submission Open

Keywords: metabolic; endocrine; ruminants

(This special issue belongs to the Section Animal Physiology)

Lower Ammonia in Animal Housing Systems, Better Animal Health and Improved Welfare

edited by

Weichao Zheng

Yang Zhao

and

Yang Wang

submission deadline 15 Jan 2026 | 2 articles | Viewed by 1939 | Submission Open

Keywords: ammonia mitigation; animal housing systems; livestock health; animal welfare; manure management; air quality; sustainable agriculture; respiratory diseases; precision livestock farming; environmental pollution

(This special issue belongs to the Section Animal Welfare)

Featured Papers in the 'Animal Products' Section

edited by

Guillermo Ripoll

submission deadline 15 Jan 2026 | Viewed by 321 | Submission Open

Keywords: meat; milk; cheese; wool; ham; meat products; cured; honey; fish; poultry

(This special issue belongs to the Section Animal Products)

Humane Behavioral Care for Companion Animals

edited by Thierry Bedossa

submission deadline 15 Jan 2026 | Viewed by 309 | Submission Open

Keywords: companion animals; animal behavior; humane care; behavioral medicine; animal welfare; human– animal bond; evidence-based practice; veterinary behavior; applied ethology; ethics in animal care

(This special issue belongs to the Section Companion Animals)

Breeding Soundness Examinations of Rams: Semen Collection and Evaluation

edited by Aikaterini Ntemka and

Noelia González Orti

submission deadline 15 Jan 2026 | Viewed by 281 | Submission Open

Keywords: breeding soundness evaluation; semen collection; semen assessment; ram; fertility; reproductive capacity; herd sustainability

(This special issue belongs to the Section Animal Reproduction)

Zero Carbon Footprint Aquaculture

edited by Elisa Benini

submission deadline 15 Jan 2026 | Viewed by 123 | Submission Open

Keywords: aquaculture; carbon footprint; zero-carbon future; renewable energy; life cycle assessment (LCA); sustainable feed; integrated multi-trophic aquaculture (IMTA); climate-smart aquaculture

(This special issue belongs to the Section Aquatic Animals)

Advances in Antimicrobial Resistance and Antibiotics Development in Companion Animals

edited by Anat Shnaiderman Torban and