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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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Technological and Statistical Advances in Breeding and Genetics of Sheep and Goat

edited by

Christos Dadousis

and Isidoros Karagiannis

submission deadline 10 Apr 2026 | 3 articles | Viewed by 6497 | Submission Open

Keywords: goat; sheep; genetics; genomics; breeding; adaptability; robustness; resilience; optimization

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

Innovative and Sustainable Ingredients for Redefining Aquaculture Feeds: Second Edition

edited by

Antonio Jesús Vizcaíno Torres

and

Francisco Javier Alarcón López

submission deadline 10 Apr 2026 | 2 articles | Viewed by 3423 | Submission Open

Keywords: aquafeeds; marine fish; alternative ingredients; bioactive compounds; nutrients; fish nutrition; sustainability

(This special issue belongs to the Section Aquatic Animals)

Herbal Extracts and Herbal-Derived Products to Support Animal Health and Productivity

edited by

Mihaela Niculae

Daniela Hanganu

and

Daniela Neagu

submission deadline 15 Apr 2026 | 8 articles | Viewed by 15763 | Submission Open

Keywords: natural products; bioactive compounds; phytoconstituents; biological properties; in vitro screening; in vivo evaluation; animal health; animal production

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

Urban Wildlife Insights: Exploring the Behavior and Adaptations of Animals in Urban Environments

edited by

Reuven Yosef

submission deadline 15 Apr 2026 | 6 articles | Viewed by 12492 | Submission Open

Keywords: urban wildlife; ecosystem services; public health; psychological well-being; environmental education

(This special issue belongs to the Section Wildlife)

Interactions and Relationship Between Marine Mammal Ecology and Human Activities

edited by Benjamin De Montgolfier and Marion Poupard

submission deadline 15 Apr 2026 | 3 articles | Viewed by 9042 | Submission Open

Keywords: marine mammals; human activities; ecosystems; interactions; conservation; biodiversity

(This special issue belongs to the Section Mammals)

Population Genetics and Conservation Genetics of Wildlife

edited by

Philip Lavretsky

submission deadline 15 Apr 2026 | 4 articles | Viewed by 7241 | Submission Open

Keywords: population genetics; genomic sequencing; adaptive evolution; wildlife management

(This special issue belongs to the Section Wildlife)

Organic Livestock Farming: New Trends, Health and Welfare Issues

edited by

Vasileios Papatsiros

submission deadline 15 Apr 2026 | 2 articles | Viewed by 6206 | Submission Open

Keywords: organic livestock farming; welfare; zoonoses; parasites; bacteria; viruses; consumer

Advances in Ruminant Ovarian Physiology

edited by Valdevane Rocha Araújo

submission deadline 15 Apr 2026 | 1 articles | Viewed by 1312 | Submission Open

Keywords: folliculogenesis; oogenesis; oocyte maturation; follicle growth; preantral follicles; antral follicles; embryo production; granulosa cells; thecal cells

(This special issue belongs to the Section Animal Reproduction)

Factors Affecting Fattened Ewe and Lamb Performance, Carcass Conformation, Meat Quality, and Flavor

edited by

Xiangpeng Yue

and

Long Guo

submission deadline 20 Apr 2026 | 2 articles | Viewed by 6631 | Submission Open

Keywords: sheep; flavor precursors; meat quality; management; genetics; feed

(This special issue belongs to the Section Small Ruminants)

Precision Domestic Animal Nutrition: Microbial Interactions to Metabolic Optimization

edited by

Xihong Zhou

submission deadline 20 Apr 2026 | 2 articles | Viewed by 4330 | Submission Open

Keywords: domestic animal nutrition; gut microbiota; metabolism; feeding; diets; animal health

(This special issue belongs to the Section Animal Nutrition)

Morphometric Analysis as a Diagnostic Tool for Veterinary Diseases in Dogs and Cats: Recent Progress and Application Prospect

edited by

Mara Bagardi

Paola G. Brambilla

, Chiara Locatelli and Michele Polli

submission deadline 26 Apr 2026 | 2 articles | Viewed by 6689 | Submission Open

Keywords: body hyper-typicality; breeding; cat; dog; genetic disorders; morphometry; physical aptitude; popularity; volatility

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

Factors Affecting Milk Productivity, Milk Quality, and Dairy Cow and Calves Health—2nd Edition

edited by

Robert Kupczyński

and

Michał Bednarski

submission deadline 30 Apr 2026 | 8 articles | Viewed by 23052 | Submission Open

Keywords: cows and calves health; milk quality; feed additives; diseases; epidemiology; welfare

(This special issue belongs to the Section Cattle)

Recent Advances in Equine Behavior and Welfare

edited by

Maria Rizzo

and

Francesca Arfuso

submission deadline 30 Apr 2026 | 9 articles | Viewed by 21681 | Submission Open

Keywords: equine welfare; horse management; behavior; health; nutrition and exercise physiology; stress indicators; welfare assessment tools

(This special issue belongs to the Section Animal Welfare)

Canine and Feline Cardiomyopathies—Current and Future Strategies for Diagnosis and Treatment

edited by

Joshua A. Stern

submission deadline 30 Apr 2026 | 2 articles | Viewed by 13387 | Submission Open

Keywords: translational; cardiology; cardiomyopathy; hypertrophic; dilated; arrhythmogenic; fibrosing; diagnostic; cardiac; genetics; pharmacology; sarcomere

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

Nutrition, Physiology and Metabolism of Companion Animals

edited by

Demin Cai

, Ping Hu and

Haoyu Liu

submission deadline 30 Apr 2026 | 6 articles | Viewed by 12618 | Submission Open

Keywords: companion animals; nutrition; metabolic processes; dietary intervention; chronic diseases; immune function; antioxidant defenses

(This special issue belongs to the Section Companion Animals)

Advances in Small Ruminant Welfare

edited by

Govind Kannan

submission deadline 30 Apr 2026 | 8 articles | Viewed by 11508 | Submission Open

Keywords: animal behavior; animal welfare; fiber; goats; meat; milk; sheep; small ruminants; stress physiology; sustainability

(This special issue belongs to the Section Small Ruminants)

Exploring Equine Genetics: Quantitative, Molecular, and Genomic Insights

edited by

Davinia I. Perdomo-González

and

Nora Laseca

submission deadline 30 Apr 2026 | 3 articles | Viewed by 9436 | Submission Open

Keywords: equine populations; population structure; genetic diversity; quantitative analysis; genomics; molecular analysis; breeding programs; population health

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

New Insights into Male Fertility and Sperm Preservation in Animals

edited by

Alexandre Rodrigues Silva

submission deadline 30 Apr 2026 | 6 articles | Viewed by 9170 | Submission Open

Keywords: semen; epidydimal sperm; testicular tissue; spermatogonia; biobank

(This special issue belongs to the Section Animal Reproduction)

Ruminant Welfare Assessment—Second Edition

edited by

Marek Gaworski

submission deadline 30 Apr 2026 | 6 articles | Viewed by 8563 | Submission Open

Keywords: assessment; indicator; progress; ruminants; welfare

(This special issue belongs to the Section Animal Welfare)

Antimicrobial Resistance and Innovative Strategies in Veterinary Medicine

edited by Eduarda Silveira and

Tiago Lima

submission deadline 30 Apr 2026 | 4 articles | Viewed by 4896 | Submission Open

Keywords: antimicrobial resistance; veterinary medicine; antimicrobial stewardship; bacteria; genetics and genomics; food safety; antimicrobial therapies; diagnostics tools; public health

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

Parasite Epidemiology and Molecular Identification in Wild, Domestic, and Companion Animals: 2nd Edition

edited by

Wei Liu

and

Yisong Liu

submission deadline 30 Apr 2026 | 3 articles | Viewed by 3202 | Submission Open

Keywords: epidemiology; molecule identification; nematode; cestode; trematode; arthropod; wild animals; domestic animals; companion animals

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

Food-Borne Pathogens of Animals: Diagnosis, Prevention, Control, and Zoonotic Significance

edited by

Leonardo Alberghini

and

Alda Natale

submission deadline 30 Apr 2026 | 2 articles | Viewed by 2621 | Submission Open

Keywords: pathogens; animals; food; one Health; diagnosis; prevention; control; zoonosis

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

Genetics and Breeding for Enhancing Production Traits in Ruminants

edited by

Guangxin E

submission deadline 30 Apr 2026 | 4 articles | Viewed by 2120 | Submission Open

Keywords: genomic selection; genetic diversity; quantitative trait loci (QTL); whole-genome sequencing; candidate genes for production traits; genome-wide selection signals

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

Companion Animal Welfare: A Focus on Ethics and Laws

edited by

Michela Pugliese

and

Annamaria Passantino

submission deadline 30 Apr 2026 | 1 articles | Viewed by 957 | Submission Open

Keywords: companion animal welfare; animal ethics; animal law; euthanasia; animal rights; legal frameworks; responsible ownership; breeding and trade regulation; animal protection policies

Antimicrobial Resistance in Bacterial Zoonoses

edited by

Valentina Virginia Ebani

submission deadline 30 Apr 2026 | 1 articles | Viewed by 773 | Submission Open

Keywords: bacteria; antimicrobial resistance; resistance genes; companion animals; livestock; poultry; wild animals; zoonoses; bacterial infectious diseases; antimicrobial therapy; One Health

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

Biomineralogy: Interactions Between Benthic Organisms and Rocky Substrates

edited by

Martina Canessa

and Giorgio Bavestrello

submission deadline 30 Apr 2026 | Viewed by 594 | Submission Open

Keywords: benthic communities; quartz; mineral composition; lithology; calcite; surface roughness; thermal capacity; hardness

(This special issue belongs to the Section Aquatic Animals)

Genetic and Genomic Approaches in Aquaculture Reproduction: Enhancing Breeding, Performance, and Sustainability

edited by

Jing Wei

submission deadline 30 Apr 2026 | 1 articles | Viewed by 550 | Submission Open

Keywords: aquaculture reproduction; genomic selection; reproductive traits; genetic diversity; gene editing; climate resilience; artificial intelligence (AI)

(This special issue belongs to the Section Animal Reproduction)

Animal Pain Management: Insights Across Companion, Farm, and Laboratory Animals

edited by Caterina Di Bella,

Luca Pennasilico

and

Elisa Silvia D'Urso

submission deadline 30 Apr 2026 | 1 articles | Viewed by 514 | Submission Open

Keywords: nociception; pain management; loco-regional anesthesia; analgesic therapies; regenerative medicine; small animals; large animals; laboratory animals

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

Evolutionary Dynamics of Primate Cognition and Communication

edited by Mateo Peñaherrera-Aguirre

submission deadline 30 Apr 2026 | Viewed by 382 | Submission Open

Keywords: primate communication; vocalizations; gestural communication; multimodal signaling; cognitive evolution; social behavior

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

Physiology and Pathology of Pregnancy, Delivery and the Postpartum Period in Female Domestic Animals

edited by

Camila Infantosi Vannucchi

and Gisele Almeida Lima da Veiga

submission deadline 30 Apr 2026 | Viewed by 333 | Submission Open

Keywords: embryology; placenta; hormone; metabolism; dystocia; C-section; colostrum

(This special issue belongs to the Section Animal Reproduction)

Use of Saliva in Animal Physiology

edited by

María Dolores Contreras-Aguilar

and

Asta Tvarijonaviciute

submission deadline 30 Apr 2026 | Viewed by 257 | Submission Open

Keywords: biomarkers; saliva; animal physiology; welfare

(This special issue belongs to the Section Animal Physiology)

Diversity, Adaptation, and Biogeography of Gastropods

edited by

Andrzej Falniowski

submission deadline 30 Apr 2026 | Viewed by 248 | Submission Open

Keywords: phylogeny; morphology; anatomy; ethology; eco-physiology; ecology; origin of fauna; population genetics; human impact

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

Current Research in Sheep and Goats Reared for Meat

edited by

Wei Zhang

Youji Ma

and Qingchang Ren

submission deadline 1 May 2026 | 9 articles | Viewed by 16970 | Submission Open

Keywords: sheep and goats; nutrition and feed; genetic breeding and reproduction; disease control; management and environment; dung resource utilization; production performance; meat quality; mutton processing and storage; lamb production; feed additives

(This special issue belongs to the Section Small Ruminants)

Pig Castration: Strategies, Animal Welfare and Pork Quality

edited by

Alexandra Esteves

Severiano R. Silva

and

Rita Payan-Carreira

submission deadline 1 May 2026 | 2 articles | Viewed by 3944 | Submission Open

Keywords: pig castration; castration strategies; pork quality; swine management; livestock welfare; swine industry

(This special issue belongs to the Section Pigs)

Advances in Research on Functional Genes and Economic Traits in Fish

edited by

Linna Wang

, Zhentong Li and Zhangfan Chen

submission deadline 8 May 2026 | 5 articles | Viewed by 5635 | Submission Open

Keywords: fish; functional genomics; functional genes; economic traits

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

Infection Immunity, Diagnosis and Prevention of Avian Influenza

edited by Manman Dai and Jiayun Yang

submission deadline 10 May 2026 | 3 articles | Viewed by 10653 | Submission Open

Keywords: avian influenza; immune response; virus– host interactions; diagnostic methods; vaccine development; zoonotic transmission; epidemiology; surveillance

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

Gamete and Stem Cell Vitrification in Animals

edited by

Muren Herrid

submission deadline 10 May 2026 | 3 articles | Viewed by 4031 | Submission Open

Keywords: vitrification; sperm; oocyte; embryo; stem cells

(This special issue belongs to the Section Animal Physiology)

Enhancing Male Animal Reproduction: Focus on Testicular Health, Semen Quality, and Fertility

edited by

Korawan Sringarm

and Anucha Sathanawongs

submission deadline 10 May 2026 | 4 articles | Viewed by 2881 | Submission Open

Keywords: testicular health; semen quality; male fertility; biomarkers; omics approaches; reproductive technologies; sexing-sorted semen; semen preservation; assisted reproductive technologies; cryopreservation

(This special issue belongs to the Section Animal Reproduction)

Innate Host Defence Mechanisms of Aquatic Animals

edited by

Marcia Saraiva

submission deadline 10 May 2026 | 1 articles | Viewed by 1569 | Submission Open

Keywords: immunology; virus; bacteria; fungus; fungus-like

(This special issue belongs to the Section Aquatic Animals)

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

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

submission deadline 15 May 2026 | 8 articles | Viewed by 16690 | Submission Open

Keywords: wildlife; parasites; ecosystem health; zoonotic diseases

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

Impact of Nutrition on Reproduction and Fetal Programming of Beef Cattle

edited by Marcelo Vedovatto and Matheus Fellipe de Lana Ferreira

submission deadline 15 May 2026 | 7 articles | Viewed by 15614 | Submission Open

Keywords: nutrients; pregnancy rate; epigenetics

(This special issue belongs to the Section Cattle)

Animal Health and Welfare Assessment of Pigs

edited by

Annalisa Scollo

submission deadline 15 May 2026 | 6 articles | Viewed by 9973 | Submission Open

Keywords: pigs; welfare; health; assessment; biomarkers; monitoring; modern farming

(This special issue belongs to the Section Animal Welfare)

Use of Regenerative Therapies in Canine Osteoarthritis: 2nd Edition

edited by

Angela Palumbo Piccionello

and

Caterina Di Bella

submission deadline 15 May 2026 | 1 articles | Viewed by 3139 | Submission Open

Keywords: bone; joint; osteosynthesis; osteoarthritis; adipose micrograft; stem cells

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

Sustainable Management of Animal Environments

edited by

Yiwen Yang

and

Chengzhen Wang

submission deadline 15 May 2026 | 2 articles | Viewed by 1637 | Submission Open

Keywords: sustainable livestock; animal welfare; environmental impact; waste management; antibiotic resistance; zoonotic microorganisms; environmental pollution; emission control

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

Equine Viral Diseases and Their Preventive Management Strategies

edited by

Barbara Bażanów

and Anna Karolina Matczuk

submission deadline 15 May 2026 | 1 articles | Viewed by 1615 | Submission Open

Keywords: equine viral diseases; preventive management; molecular virology; diagnostic methods; zoonotic potential; climate change impact; phylogenetic analysis

(This special issue belongs to the Section Equids)

Genetics and Genomics of Livestock Health, Fertility and Product Quality: 3rd Edition

edited by

Michael E. Davis

submission deadline 15 May 2026 | 2 articles | Viewed by 1202 | Submission Open

Keywords: animal; genetics; genomics; production; product quality; reproduction; fertility; health; welfare

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

New Insights into Poultry Breeding: Advancements in Hatchability, Semen Collection and Fertility Enhancement

edited by

Vibuntita Chankitisakul

and

Wuttigrai Boonkum

submission deadline 15 May 2026 | 1 articles | Viewed by 1137 | Submission Open

Keywords: poultry breeding; semen preservation; artificial insemination; fertility and hatchability; sperm cryopres-ervation; genetic selection; reproductive biotechnology

(This special issue belongs to the Section Poultry)

Ecology and Biogeography of Aquatic Alien Invasive Species

edited by

Lourdes Encina

submission deadline 15 May 2026 | Viewed by 511 | Submission Open

Keywords: invasive alien species; ecology; biogeography; feeding habits; behavior; life cycle; distribution; detection; hydroacoustic; eDNA; management; plants

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

Advances in Image-Guided Veterinary Surgery: Second Edition

edited by