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Animals
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Breeding Dogs and Cats: For the Suitability of Kittens, Puppies...
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Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders

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

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 14804

Special Issue Editors

Prof. Dr. Sylvie Chastant-Maillard

E-Mail Website
Guest Editor
NeoCare, Université de Toulouse, ENVT, 31300 Toulouse, France
Interests: oocytes; embryos; reproductive biology; assisted reproductive technology; ovary; developmental biology; reproduction biology
Dr. Aurélien Grellet

E-Mail Website
Guest Editor
NeoCare, Université de Toulouse, ENVT, 31300 Toulouse, France
Interests: veterinary diagnostics; inflammatory bowel disease; virology; animals; gastroenterology; neonatal medicine; growth; breeding
Dr. Hanna Mila

E-Mail Website
Guest Editor
NeoCare, Université de Toulouse, ENVT, 31300 Toulouse, France
Interests: breeding; infectious diseases; epidemiology; IgG; immunity; clinical; immunology; physiology; virology; neonatal medicine; animals; growth; microbiota; milk

Special Issue Information

Dear Colleagues,

Evidence-based data are still lacking in the domain of canine and feline breeding, and breeders and their veterinarians often face no consensus on subjects such as prophylaxis, treatment or guidelines of husbandry conditions.

This Special Issue will thus focus on the prevention of diseases in canine and feline breeding facilities and the welfare of the animals bred. The main key words for publications are reproduction, biosecurity, breeding facility, hygiene, behavior, welfare, growth, neonatology, mortality prevention, weaning, lactation, nutrition, and population medicine.

Prof. Dr. Sylvie Chastant-Maillard
Dr. Aurélien Grellet
Dr. Hanna Mila
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • breeding
  • dog
  • cat
  • prevention
  • biosecurity
  • welfare
  • neonatology

Published Papers (5 papers)

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Research

13 pages, 1675 KiB  
Article
Genetic Structure of the Ca Rater Mallorquí Dog Breed Inferred by Microsatellite Markers
by Lourdes Sofía Aguilera García, Amado Manuel Canales Vergara, Pedro Zurita Herrera, José Manuel Alanzor Puente, Águeda Laura Pons Barro, Susana Dunner, Carlos San José Marques, Juan Vicente Delgado Bermejo and Amparo Martínez Martínez
Animals 2022, 12(20), 2733; https://doi.org/10.3390/ani12202733 - 11 Oct 2022
Cited by 2 | Viewed by 1766
Abstract
Ca Rater Mallorquí is a dog breed from the Island of Mallorca (Spain) traditionally used as a hunting and ratting dog to prevent disease spread and economic losses related to rodent activities on farms. However, the census data shows a population decline that [...] Read more.
Ca Rater Mallorquí is a dog breed from the Island of Mallorca (Spain) traditionally used as a hunting and ratting dog to prevent disease spread and economic losses related to rodent activities on farms. However, the census data shows a population decline that should be addressed by implementing a conservation program. The first step to implementing a conservation plan is knowing the genetic situation of the Ca Rater Mallorquí population. Therefore, we aimed to genetically characterise the breed in our study. We analysed 33 microsatellites recommended by the International Society of Animal Genetics (ISAG) in 77 samples. Data were obtained from 13 samples of Balearic, Spanish, and international dog breeds to study the genetic diversity among breeds. The population did not significantly deviate from the Hardy–Weinberg equilibrium with heterozygosity (Ho) of 0.655 and expected heterozygosity (He) of 0.685. The Wright’s fixation indices, the Factorial Correspondence Analysis (FCA), a dendrogram representing Reynolds genetic distance between populations, and the pairwise FST values establish the Ca Rater Mallorquí as an independent breed distinct from the Balearic, Spanish, and international breeds. Full article
(This article belongs to the Special Issue Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders)
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9 pages, 1744 KiB  
Article
Prevalence of Echocardiographic Evidence of Trace Mitral and Aortic Valve Regurgitation in 50 Clinically Healthy, Young Adult Labrador Retrievers without Heart Murmur
by Maxime V. de Jong, Peter A. J. Leegwater, Hille Fieten and Viktor Szatmári
Animals 2022, 12(18), 2442; https://doi.org/10.3390/ani12182442 - 16 Sep 2022
Cited by 2 | Viewed by 2427
Abstract
Background—Though physiologic regurgitation of the right-sided cardiac valves is well recognized in dogs and other mammals, the prevalence of trace insufficiency of the mitral and aortic valves in clinically healthy, young adult dogs is unknown. Methods—In this observational cross-sectional study, 50 [...] Read more.
Background—Though physiologic regurgitation of the right-sided cardiac valves is well recognized in dogs and other mammals, the prevalence of trace insufficiency of the mitral and aortic valves in clinically healthy, young adult dogs is unknown. Methods—In this observational cross-sectional study, 50 clinically healthy, young adult Labrador retrievers without an audible heart murmur were enrolled. All dogs were bred and owned by a single organization. Cardiac screening was requested for all dogs that were intended for breeding. These dogs underwent a cardiac auscultation and transthoracic echocardiography by a veterinary cardiology specialist. If mitral or aortic valve regurgitation was noticed, the jet size was subjectively assessed on color Doppler echocardiography. Pedigree analysis was performed to reveal a possible hereditary background of mitral valve regurgitation. Results—The prevalence of trivial mitral valve regurgitation was 52% with no significant predisposition to gender (p = 0.86) or haircoat color (p = 0.68). The prevalence of aortic valve regurgitation was 4%. Pedigree analysis for mitral valve regurgitation showed familial clustering, suggesting a hereditary background of the trait. Conclusions—The prevalence of silent trace mitral valve regurgitation in young adult Labrador retrievers was high. Because the regurgitant jet was trivial in all dogs, it is probably physiologic. Full article
(This article belongs to the Special Issue Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders)
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8 pages, 259 KiB  
Article
Molecular Epidemiological Survey for Degenerative Myelopathy in German Shepherd Dogs in Japan: Allele Frequency and Clinical Progression Rate
by Shinichiro Maki, Md Shafiqul Islam, Tomohito Itoh, Masanobu Nurimoto, Akira Yabuki, Yu Furusawa, Hiroaki Kamishina, Yui Kobatake, Tofazzal Md Rakib, Martia Rani Tacharina and Osamu Yamato
Animals 2022, 12(13), 1647; https://doi.org/10.3390/ani12131647 - 27 Jun 2022
Cited by 2 | Viewed by 2214
Abstract
Canine degenerative myelopathy (DM) is an adult-onset, chronic, progressive neurodegenerative disease reported in multiple canine breeds, including the German Shepherd Dog (GSD). Clinical signs include progressive motor neuron paralysis, which begins in the pelvic limbs and eventually leads to respiratory distress, which may [...] Read more.
Canine degenerative myelopathy (DM) is an adult-onset, chronic, progressive neurodegenerative disease reported in multiple canine breeds, including the German Shepherd Dog (GSD). Clinical signs include progressive motor neuron paralysis, which begins in the pelvic limbs and eventually leads to respiratory distress, which may necessitate euthanasia. A common DM-associated mutation is a single nucleotide substitution that causes an amino acid substitution (c.118G>A, p.E40K) in the canine SOD1 gene. This SOD1 mutation and the clinical progression rate of A/A risk genotype in the Japanese GSD population have not been analyzed before. Therefore, the aim of this study was to determine the frequency of the mutated allele and analyze the clinical progression rate in the Japanese GSD population. We studied 541 GSDs registered with the Japanese German Shepherd Dog Registration Society between 2000 and 2019. Genotyping was performed using real-time PCR with DNA extracted from the hair roots of each dog. The study revealed 330 G/G dogs (61%), 184 G/A dogs (34%), and 27 A/A dogs (5%), indicating a frequency of the mutant allele of 0.220, which are in Hardy–Weinberg equilibrium. We analyzed the clinical signs in A/A dogs with an age limit of 10 years based on information obtained from the dogs’ owners. Of the seven A/A dogs older than 10 years, owners reported DM-related clinical signs, indicating a clinical progression rate of 100%. These results, further genotyping, and thorough clinical examinations of SOD1 A/A risk genotype will help control and prevent DM in the Japanese GSD population. Full article
(This article belongs to the Special Issue Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders)
7 pages, 662 KiB  
Communication
Carrier Rate and Mutant Allele Frequency of GM1 Gangliosidosis in Miniature Shiba Inus (Mame Shiba): Population Screening of Breeding Dogs in Japan
by Shahnaj Pervin, Md Shafiqul Islam, Yamato Yorisada, Aya Sakai, Shimma Masamune, Akira Yabuki, Tofazzal Md Rakib, Shinichiro Maki, Martia Rani Tacharina and Osamu Yamato
Animals 2022, 12(10), 1242; https://doi.org/10.3390/ani12101242 - 12 May 2022
Cited by 3 | Viewed by 5419
Abstract
GM1 gangliosidosis is a progressive, recessive, autosomal, neurodegenerative, lysosomal storage disorder that affects the brain and multiple systemic organs due to an acid β-galactosidase deficiency encoded by the GLB1 gene. This disease occurs in the Shiba Inu breed, which is one of the [...] Read more.
GM1 gangliosidosis is a progressive, recessive, autosomal, neurodegenerative, lysosomal storage disorder that affects the brain and multiple systemic organs due to an acid β-galactosidase deficiency encoded by the GLB1 gene. This disease occurs in the Shiba Inu breed, which is one of the most popular traditional breeds in Japan, due to the GLB1:c.1649delC (p.P550Rfs*50) mutation. Previous surveys performed of the Shiba Inu population in Japan found a carrier rate of 1.02–2.94%. Currently, a miniature type of the Shiba Inu called “Mame Shiba”, bred via artificial selection to yield smaller individuals, is becoming more popular than the standard Shiba Inu and it is now one of the most popular breeds in Japan and China. The GM1 gangliosidosis mutation has yet to be surveyed in the Mame Shiba population. This study aimed to determine the frequency of the mutant allele and carrier rate of GM1 gangliosidosis in the Mame Shiba breed. Blood samples were collected from 1832 clinically healthy adult Mame Shiba Inus used for breeding across 143 Japanese kennels. The genotyping was performed using a real-time PCR assay. The survey found nine carriers among the Mame Shibas, indicating that the carrier rate and mutant allele frequency were 0.49% and 0.00246, respectively. This study demonstrated that the mutant allele has already been inherited by the Mame Shiba population. There is a risk of GM1 gangliosidosis occurrence in the Mame Shiba breed if breeders use carriers for mating. Further genotyping surveys are necessary for breeding Mame Shibas to prevent the inheritance of this disease. Full article
(This article belongs to the Special Issue Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders)
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9 pages, 1042 KiB  
Article
Screening and Carrier Rate of Neuronal Ceroid Lipofuscinosis in Chihuahua Dogs in Japan
by Shahnaj Pervin, Md Shafiqul Islam, Naomi Tada, Toshihiko Tsutsui, Mohammad Mahbubur Rahman, Akira Yabuki, Martia Rani Tacharina, Tofazzal Md Rakib, Shinichiro Maki and Osamu Yamato
Animals 2022, 12(9), 1210; https://doi.org/10.3390/ani12091210 - 7 May 2022
Cited by 3 | Viewed by 2196
Abstract
Neuronal ceroid lipofuscinosis (NCL) is a group of rare lethal neurodegenerative lysosomal storage diseases that occur in a range of dog breeds, including Chihuahuas. Recently, a homozygous single base-pair deletion (c.846delT), which causes a frame shift generating a premature stop codon (p.Phe282Leufs13*) in [...] Read more.
Neuronal ceroid lipofuscinosis (NCL) is a group of rare lethal neurodegenerative lysosomal storage diseases that occur in a range of dog breeds, including Chihuahuas. Recently, a homozygous single base-pair deletion (c.846delT), which causes a frame shift generating a premature stop codon (p.Phe282Leufs13*) in the canine CLN7/MFSD8 gene, has been identified as a causative mutation for NCL in Chihuahuas. The objective of this study was to determine the frequency of the mutant allele and/or carrier rate of NCL in Chihuahuas in Japan using a newly designed real-time PCR assay. Samples of saliva were randomly collected from 1007 Chihuahua puppies during physical examinations prior to the transportation to pet shops. Screening results revealed a carrier rate of 1.29%, indicating a mutant allele frequency (0.00645) that is considered sufficiently high to warrant measures for the control and prevention of this lethal disease. The genotyping assay designed in this study could make a valuable contribution to the control and prevention of NCL. Full article
(This article belongs to the Special Issue Breeding Dogs and Cats: For the Suitability of Kittens, Puppies and Their Breeders)
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