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Liver histopathological changes in breeding bullfrogs - doi: 10.4025/actascibiolsci.v35i4.15981

Teixeira de Seixas Filho, José; Hipólito, Márcio; Maia Pereira, Marcelo; Maria C. R. Pinto da Fonseca Martins, Ana; Rodrigues, Eliane; Conceição Reis Pereira Mello, Sílvia.
Acta Sci. Biol. Sci.; 35(4): 461-465, 2013.
Artigo em Português | VETINDEX-Express | ID: vti-725681

Resumo

In order to complement the histopathological study of juveniles and tadpoles of the bullfrog, Lithobathes catesbeianus, fed commercial diet used by frog farms in Rio de Janeiro, containing 40% crude protein, we performed necropsy and histopathology of the liver to establish a relationship between the quality of crude protein in the diet and animal health. For this, it was used twenty breeding male bullfrogs, with average weight 591.30 g (± 91.90 g) and length 165.02 mm (± 14.22 mm), and ten females with average weight and length of 629.80 g (± 134.47 g) and 169.32 mm (± 21.82 mm). The liver histopathology showed hyperemia, high number of melanomacrophages and cytoplasmic rarefaction, probably due to protein deficiency and fatty liver degeneration and presence of inflammatory processes. These lesions indicate a degenerative nutritional process. These findings suggest that the animals were fed with proteins of low biological value, indicating poor quality of feed, undermining the sanity. The impairment of liver function by these injuries will lead to reduced availability of precursors of sex hormones, since the liver is important in the metabolism of the same, and reproductive performance of these animals may be impaired.  
Biblioteca responsável: BR68.1