Mortality in Stray Kittens under Eight Weeks Old: Focusing on Congenital Malformations
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Published on: June 2, 2022
Gael Contreras1, Carlos Viegas1,2,3, Adelina Gama1,2,3
1Department of Veterinary Sciences, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal.
Insights
Infectious diseases and congenital malformations are leading causes of death in young stray kittens. Improved hygiene and sterilization are vital for preventing kitten mortality and controlling stray populations.
Area of Science:
- Veterinary Pathology
- Feline Medicine
- Animal Epidemiology
Background:
- Neonatal and pediatric mortality in kittens stems from diverse factors including infections, management issues, congenital defects, and diseases.
- Kittens' immature physiology and immune systems complicate disease diagnosis and treatment, emphasizing the need for preventative strategies.
Purpose of the Study:
- To determine the primary causes of mortality in stray kittens.
- To document the prevalence of congenital malformations in this population.
Main Methods:
- Post-mortem examinations (necropsies) were conducted on 68 stray kittens younger than two months.
- Data collected included gross pathological findings and observations of congenital anomalies.
Main Results:
- Respiratory lesions were the primary cause of death in the youngest kittens, while gastrointestinal issues predominated in older kittens.
- Infectious causes were the most frequent underlying factor for mortality across all age groups studied.
- Congenital malformations were identified in 40% of the examined kittens, with megaesophagus, cardiovascular anomalies, bone defects, and kidney defects being most common.
Conclusions:
- Infectious diseases and congenital malformations significantly contribute to kitten mortality.
- Strict hygiene practices are crucial for preventing infections and associated complications.
- Promoting feline sterilization and improving sanitary conditions are essential for managing stray cat populations and enhancing kitten survival rates.
Abstract:
Neonatal and pediatric mortality in kittens could be associated with bacterial infections, complications from inadequate management, congenital malformations, neonatal isoerythrolysis, parasitic diseases, and viral diseases. The complexity of causes, coupled with kittens' physiological and immunological immaturity, complicates the diagnosis and treatment of disease, highlighting the necessity for preventive measures. This study aimed to identify the leading causes of death and the occurrence of congenital malformations in stray kittens. Necropsies were performed on 68 kittens, all aged under two months. Results indicated that respiratory lesions were the leading cause of death in the youngest group, while gastrointestinal problems were more prevalent in older groups. Infectious causes were predominant across all age groups. Congenital malformations were observed in 40% of the animals, with megaesophagus, cardiovascular anomalies, bone defects, and kidney defects being the most prevalent. The findings underscore the critical importance of hygiene in preventing infections and related complications. Promoting sterilization and sanitary control in stray cats is essential to reduce overpopulation and improve living conditions.
