Animal Husbandry - Study Mode

[#151] In which part of the cloaca in birds, bursa of fabricus opens?
Correct Answer

(B) Proctodeum

Explanation

Solution: Bursa of fabricus opens in Proctodeum part of the cloaca in birds. The bursa of Fabricius is a blind, lymphoepithelial diverticulum of ectodermal origin, located in the dorsal proctodeum of the avian cloaca. The bursa of Fabricius is the primary lymphoid organ in avian species. The bursa of Fabricius of birds has an essential role as a central lymphoid organ for the differentiation of B lymphocytes. In addition, the bursa harbors immune competent B lymphocytes which are capable of local antibody production.

[#152] The average yield of fine wool by chokla is
Correct Answer

(D) 2.5 - 3.5 kg/Annum

Explanation

Solution: The average yield of fine wool by chokla is 2.5 - 3.5 kg/Annum. Chokla sheep grows the finest carpet wool of all the Indian breeds ranging in quality number from 54 s to 60 s count. The wool produced by Chokla sheep is heterogeneous and is generally mixed with coarser fleece of other sheep before utilization as carpet wool. It produces 2.4 kg wool per annum with average fiber diameter of around 30 m and medullation of around 30%. The staple length of more than 6.0 cm makes it ideally suitable for carpets.

[#153] Match the following columns Column-I (Animals) Column-II (Gestation period) a. Cow 1. 150 days b. Buffalo 2. 282 days c. Goat 3. 307 days d. Sheep 4. 151 days
Correct Answer

(A) a-2, b-3, c-4, d-1

Explanation

Solution: a. The gestation period of cows is 282 days. 282 days is the average gestation period for cows with about equal chances for calving on any day from the 275 th to the 287 th day after service. b. The gestation period of Buffalo is 307 days. Average calving interval of these buffaloes is 18 months with gestation period of 307 days. c. The gestation period of Goat is 151 days. Gestation length in goats is 145 - 155 days (average 150 days) and can be affected by breed, litter weight, environment, and parity. d. The gestation period of Sheep is 150 days. In sheep, although the normal gestation length is 144 - 150 days, the exact gestation length is seldom known unless ewes were served in hand or by artificial insemination.

[#154] Dohle's bodies are toxic granules of
Correct Answer

(C) Neutrophils

Explanation

Solution: Dohle's bodies are toxic granules of Neutrophils. Dohle bodies are light blue-grey, oval, basophilic, leukocyte inclusions located in the peripheral cytoplasm of neutrophils. They measure 1-3 μm in diameter. They are often present in conjunction with toxic granulation. However, it has been found that certain healthy individuals may have persistent Dohle bodies found in neutrophils.

[#155] The causative agent of hydatidious is . . . . . . . .
Correct Answer

(A) Echinococcus granulosa

Explanation

Solution: The causative agent of hydatidious is Echinococcus granulosa. Hydatid disease (also known as hydatidosis or echinococcosis) is a potentially serious, sometimes fatal, condition caused by cysts containing the larval stages of the Echinococcus granulosus (E. granulosus) tapeworm (Dog Tapeworm). Human echinococcosis is caused by the larval stages of cestodes (tapeworms) of the genus Echinococcus.