Assisted Reproduction in the Male Cat

Johnson, Aime K.

doi:10.1016/j.cvsm.2018.02.001

Cited by 12 publications

(13 citation statements)

References 23 publications

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“…The sperm parameters were evaluated as follows: volume, sperm motility, sperm progressive motility, sperm concentration, total sperm count and morphological examination (Zambelli & Cunto, 2006). A computer‐assisted analysis (IVOS®, IMV Technologies) calibrated for feline spermatozoa was used to evaluate sperm motility, progressive motility and sperm concentration (Johnson, 2018). Percentages of morphologically abnormal sperm forms were assessed by examining 200 spermatozoa following staining with eosin–nigrosin stain (Johnston et al., 2001).…”

Section: Methodsmentioning

confidence: 99%

“…Although semen collection and artificial insemination in cats have been first described 50 years ago (Sojka, Jennings, & Hamner, 1970), assisted reproduction procedures are not a routine in veterinary practice (Zambelli, Cunto, Prati, & Merlo, 2007). In recent years, the number of pet cats has considerably increased, reaching 13 millions in French households (http://www.i-cad.fr) which lead to increased demand from cat breeders for assisted reproduction (Johnson, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…All of these methods allow collection of good-quality sperm (Zambelli & Cunto, 2006). However, electroejaculation, the method of choice, requires a specific and costly equipment (Zambelli & Cunto, 2006) and often leads to ejaculates of lower sperm concentration compared to the two other methods (Johnson, 2018). Urethral catheterization requires anaesthetic protocols including high doses of alpha-2 agonists, which are potentially unsafe for tomcats with cardiorespiratory disorders (Prochowska, Nizanski, Ochota, & Partyka, 2015).…”

mentioning

confidence: 99%

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Cytological description of testicular cell populations in sexually mature cats with normal spermatogenesis

Bodet

Albaric

Topie

et al. 2020

Reprod Domestic Animals

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Although semen collection and artificial insemination in cats have been first described 50 years ago (Sojka, Jennings, & Hamner, 1970), assisted reproduction procedures are not a routine in veterinary practice (Zambelli, Cunto, Prati, & Merlo, 2007). In recent years, the number of pet cats has considerably increased, reaching 13 millions in French households (www.i-cad.fr) which lead to increased demand from cat breeders for assisted reproduction (Johnson, 2018).

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Cytological description of testicular cell populations in sexually mature cats with normal spermatogenesis

Bodet

Albaric

Topie

et al. 2020

Reprod Domestic Animals

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“…A detailed protocol for EEJ has been previously described. 12 The procedure does require practice and repetition for success.…”

Section: Collection Of An Ejaculatementioning

confidence: 99%

Normal feline reproduction: The tom

Johnson

2022

Journal of Feline Medicine and Surgery

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Practical relevance: Understanding the normal reproductive anatomy and physiology of the male cat is important for successful breeding. Veterinarians may be called in to troubleshoot when fertility and pregnancy rates decrease in a cattery. By understanding the normal physical parameters, as well as breeding behavior, the veterinarian is better equipped to assess the infertility issue. Also, clients are increasingly requesting breeding soundness examinations prior to mating or purchase. Semen collection is more difficult in the cat than in the dog but can still be accomplished in a clinical setting and provides important information when confronted with breeding males. Aim: The aim of this review is to provide a practical overview of the breeding male. The reader will receive information on time of puberty, normal reproductive anatomy (both external and internal), and breeding management practices to optimize fertility. The most up-to-date semen collection techniques are discussed, as are sedation/anesthesia options. Also, historical literature on the basic anatomy of the male reproductive system is reviewed, such as how the penile spines work and when they appear; this information is specific to the cat. Evidence base: The information in this article is based on the author’s experience, as well as drawing on historical and current literature, and provides the most up-to-date review as possible.

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“…Ai in cats is more difficult than in other species, not only in terms of semen collection and handling, but also oestrous cycle management given that ovulation must be induced. 2 Nevertheless, there is growing demand for semen collection, evaluation and subsequent use by Ai as a means of preserving important or valuable genetic material, 3 for disease control (eg, respiratory infections) and in order to bypass psychological or physical breeding problems. Ai is additionally frequently used in a research setting; for example, to develop practical and reliable domestic animal models to improve techniques for the reproduction of endangered wild felids, and to breed experimental cats used as models for human disease.…”

Section: Introductionmentioning

confidence: 99%

Artificial Insemination in Queens in the Clinical Practice Setting: Protocols and challenges

Zambelli

Cunto

2022

Journal of Feline Medicine and Surgery

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Practical relevance: Despite substantial advances in assisted reproductive techniques having been recently reported in cats, the use of these is limited and routine application is still far from being a reality in veterinary clinics. Nevertheless, there is an increasing demand from domestic cat breeders for artificial insemination (AI) techniques that are already commonly used in dogs. Where natural breeding is not possible in tom cats and queens of high breeding value, AI could offer a solution. Clinical challenges: AI in cats is more difficult than in other species – both in terms of semen collection/handling and oestrous cycle management given that ovulation must be induced. Aim: For practitioners wishing to perform AI in queens, there are challenges to overcome, and a good understanding of the techniques and procedures involved is pivotal. This review aims to contribute to improved knowledge by providing an overview of AI protocols, encompassing choice of breeding animals, procedures for semen collection, oestrus and ovulation induction, AI techniques and equipment. Equipment and technical skills: Depending on the animals involved and the specific AI technique chosen, essential equipment may include an artificial vagina, electroejaculator, endoscope (sialendoscope, which can be fairly expensive) and special catheters for transcervical insemination. Other instrumentation and materials needed are typically readily available in a veterinary clinic. In general, no particular skills are needed to perform the procedures described in this review, with the exception of endoscopic transcervical catheterisation, where the ability to use an endoscope is required. Evidence base: The information and advice/recommendations provided are based on specific feline research and reviews published in scientific peer-reviewed journals, animal reproduction textbooks, and presentations at national and international congresses. The authors also drew on their own clinical experience with regard to the choice of protocols and procedures presented in this review.

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Assisted Reproduction in the Male Cat

Cited by 12 publications

References 23 publications

Cytological description of testicular cell populations in sexually mature cats with normal spermatogenesis

Cytological description of testicular cell populations in sexually mature cats with normal spermatogenesis

Normal feline reproduction: The tom

Artificial Insemination in Queens in the Clinical Practice Setting: Protocols and challenges

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