| Autor: |
Zubairu, M., Ali, M.N., Umosen, A.D., Muazu, T.A., Baso, A., Atabo, S.M., Usman, M.D. |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
|
| Zdroj: |
Sahel Journal of Veterinary Sciences; Vol. 18 No. 4 (2021); 7-13 |
| ISSN: |
1117-6210 |
| Popis: |
The effects of photoperiodism on the histomorphometry of the thyroid gland of African giant rats (AGR) waa investigated. A total of 30 captive AGR of both sexes were randomly divided into 3 different photoperiodic groups of 10 rats each (5 males and 5 females). Group 1 rats had 12 hours darkness and 12 hours lighting for 8 weeks, Group 2 rats had total darkness (24 hours) for 8 weeks while, Group 3 rats had total lighting (24 hours) for 8 weeks. Each rat was euthanized using sodium pentobarbital at 86mg/kg BW intraperitoneally. There was no significant increase (P>0.05) in the body weight of the rats in exposed to total darkness (Group 2). However, there was a significant decrease in the body weight of rats exposed to light for 8 weeks (P |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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