Infectious Diseases on Livestock Reproduction

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Reproduction".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 1307

Special Issue Editor


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Guest Editor
Department of Microbiology, Biomedical Institute, Universidade Federal Fluminense, Alameda Barros Terra, 57, Niteroi 24210-130, RJ, Brazil
Interests: leptospirosis in animals; infectious diseases; livestock reproduction
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Special Issue Information

Dear Colleagues,

Infectious diseases can significantly impact animal reproduction, leading to various degrees of morbidity and mortality. These diseases can be influenced by the animal’s reproductive history, previous pharmacological treatments, and environmental conditions, leading to regional variations in the incidence of certain reproductive abnormalities. Among the others, three main infectious diseases that compromise reproduction in beef and dairy cattle in many regions are infectious bovine rhinotracheitis, bovine viral diarrhea, and leptospirosis.

Infectious bovine rhinotracheitis and bovine viral diarrhea are viral diseases, while leptospirosis is a bacterial disease. These diseases can range from asymptomatic conditions that only affect the animal’s fertility to acute clinical manifestations that can lead to death. Therefore, understanding and managing infectious diseases in bovine reproduction is crucial for maintaining the animals’ health and productivity.

In this context, Animals will publish a Special Issue, “Infectious Diseases on Livestock Reproduction”, in which researchers from various countries have the opportunity to present their findings on several important diseases in bovine and other animal species. In particular, papers regarding epidemiology, diagnosis, impacts on reproduction, pathology, and clinics will be welcome. We strongly encourage you to submit your manuscripts to help create a remarkable Special Issue that will represent a landmark in the study of these diseases.

Prof. Dr. Walter Lilenbaum
Guest Editor

Manuscript Submission Information

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Keywords

  • reproduction
  • abortion
  • infection
  • infertility

Published Papers (1 paper)

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Review

12 pages, 794 KiB  
Review
Bovine Genital Leptospirosis: An Update of This Important Reproductive Disease
by Luiza Aymée, Julia Mendes and Walter Lilenbaum
Animals 2024, 14(2), 322; https://doi.org/10.3390/ani14020322 - 20 Jan 2024
Viewed by 1104
Abstract
Bovine leptospirosis is an important disease that affects the reproductive sphere. Due to its high relevance for the bovine production chain in a worldwide scenario, a better understanding of the disease is crucial to reduce its negative impacts. The main agents are strains [...] Read more.
Bovine leptospirosis is an important disease that affects the reproductive sphere. Due to its high relevance for the bovine production chain in a worldwide scenario, a better understanding of the disease is crucial to reduce its negative impacts. The main agents are strains from the Sejroe serogroup, such as Hardjo and Guaricura, which lead to renal and genital infection. The genital colonization causes a chronic, silent, and subclinical reproductive syndrome, called Bovine Genital Leptospirosis (BGL). Embryonic death, estrus repetition, subfertility, and abortions are the main signs of BGL condition in females. However, although leptospires have been identified in semen, the manifestation of BGL in bulls remains to be clarified. The recommended diagnosis of BGL includes a serologic screening of the herds using the microscopic agglutination test followed by PCR of genital samples (cervicovaginal mucus, uterine fragment, or semen), especially from animals with reproductive failures. After the identification of carriers, control is carried out considering three steps: antimicrobial treatment of the carriers, environmental and reproductive management, and herd vaccination. Systematic testing, quarantine of newly arrived animals, and usage of antimicrobials in semen diluents or embryo culture media are other sanitary approaches that are encouraged to improve the control of the syndrome. Herein we discuss protocols for an efficient diagnosis and preventive procedures of BGL, which are fundamental to reducing the negative impact of the disease on cattle reproduction and its consequent economic hazards. Full article
(This article belongs to the Special Issue Infectious Diseases on Livestock Reproduction)
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