The Lachrymal Gland in Manchurian and Pharaoh Japanese Quails – A histometrical Investigation

Trakia University, Faculty of Veterinary Medicine, Department of Veterinary Anatomy, Histology and Embryology, BG – 6000 Stara Zagora, Bulgaria


DIMITROV, D. S., 2014. The lachrymal gland in Manchurian and Pharaoh Japanese quails – A histometrical investigation. Bulg. J. Agric. Sci., 20: 1498-1501


The study was carried out on 40 sexually mature and clinically healthy Japanese quails (20 females and 20 males) from the stock hybrids Manchurian Golden and Pharaoh. After weighing and determination of metric parameters, 80 lachrymal glands were processed by routine histological techniques. On the permanent histological preparations the principal microstructural elements of the Japanese quail lachrymal gland were determined using a light microscope with built-in eye-piece micrometer. Data were statistically processed. The aim of this study was to determine the parameters of main microstructural elements of the lachrymal gland in the two Japanese quail breeds – Manchurian Golden and Pharaoh. The present study showed that the determined parameters in the two breeds of Japanese quails were different and contradictory. The histometric investigation demonstrated that the average size of glandular lobules of the female Manchurian Golden was 483.93 μm and 521.56 μm for male and 280.84 μm and 322.32 μm from the Pharaoh female and male, respectively. The mean outer diameter of glandular acini in the female Manchurian Golden was 35.73 μm and 42.22 μm for the male, but those of the female Pharaoh quais was 22.21 μm and 31.00 μm for the males. The results from this histometric study of 13 parameters allowed us to assume that by the time of realization on the market, the Japanese quail lachrymal gland from the Manchurian Golden and Pharaoh breeds is a structurally mature and functionally active organ.

Key words: Lachrymal gland, Japanese quails – Manchurian Golden and Pharaoh breeds, histometry

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