Fungiform papillae were observed in the rostral and middle regions, whereas foliate papillae developed in pairs on the lateral margin of the caudal region. Filiform papillae were distributed throughout the tongue surface, and removal of the epithelial surface revealed conical CTCs and multifilaments. Four types of papillae were observed on the dorsal surface of the tongue with a triangular shape: filiform, fungiform, foliate and vallate. The aim of the present study was to describe the following features of the tongue of agouti: its morphological structures, the three-dimensional characteristics of the lingual papillae surface, the connective tissue cores (CTCs) and the epithelial cell ultrastructure. The agouti ( Dasyprocta aguti Linnaeus, 1766) is a wild rodent belonging to the family Dasyproctidae that is found throughout Brazil and feeds on fruits and seeds. Structural and ultrastructural features of the agouti tongue ( Dasyprocta aguti Linnaeus, 1766)Ĭiena, Adriano Polican Bolina, Cristina de Sousa de Almeida, Sonia Regina Yokomizo Rici, Rose Eli Grassi de Oliveira, Moacir Franco da da Silva, Marcelo Cavenaghi Pereira Miglino, Maria Angélica Watanabe, Ii-sei This study increased the basal scientific reproductive knowledge of this potentially valuable neo-tropical species. This phase was the longest in the agouti, consisting of approximately 19days and accounted for 61% of the cycle. The highest concentrations of P4 were recorded in mid diestrus between days 23-25 of the 31-day cycle. P4 concentrations reached a maximum of 4.23ng/ml, and increases in P4 immediately followed the second E2 peak in metestrus. However, two additional peak values for E 2 were also recorded, one each in metestrus and proestrus respectively. Serum E 2 ranged from 1212 to 3500pg/ml with a peak value coinciding with observed estrus. A total of eight multiparous, captive-bred females were bled throughout their estrous cycle via saphenous venipuncture, with E2 and P4 concentrations being measured via ELISA of the serum collected. The objective of this study was to evaluate serum progesterone (P4) and 17β estradiol (E2) concentrations throughout the estrous cycle in the red-rumped agouti ( Dasyprocta leporina).
Singh, Michele D Morris, Michael J Guimarães, Diva Anelie Bourne, Gregory Garcia, Gary W Serological evaluation of ovarian steroids of red-rumped agouti ( Dasyprocta leporina) during the estrous cycle phases. In this brief communication, an agouti developed suspected hypervitaminosis D after receiving a commercial rodent diet commonly fed to this species in captivity. Suspected vitamin D 3 toxicity has been reported in pacas ( Cuniculus paca) and agouti and has been linked to exposure to New World primate diets. Six months into therapy, progressive renal failure was identified and was further managed with enalapril, phosphorus binders, and dietary manipulation.
The male agouti responded well to a dietary reduction in vitamin D 3 and calcium. Histopathology from a female conspecific that died 5 mo prior identified dystrophic mineralization and nephrosclerosis, suggestive of a vitamin D 3 toxicity.
The diet, formulated for laboratory rodents, contained elevated levels of vitamin D 3. Examination revealed poor body condition, hypercalcemia, elevated serum 25-hydroxyvitamin D, metastatic calcification of soft tissues, and hyperechoic kidneys. SUSPECTED HYPERVITAMINOSIS D IN RED-RUMPED AGOUTI ( DASYPROCTA LEPORINA) RECEIVING A COMMERCIAL RODENT DIET.Īnderson, Kadie M Lewandowski, Albert Dennis, Patricia MĪn 8 yr, intact male red-rumped agouti ( Dasyprocta leporina) was evaluated for weight loss.
0 kommentar(er)
