Animal husbandry questions and answers 2021
Here is the verified animal husbandry questions and answers for 2021.
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Animal husbandry obj
Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis. This process starts with the mitotic division of the stem cells located close to the basement membrane of the tubules. These cells are called spermatogonial stem cells.
(1bi) it regulating menstruation
(ii) supporting pregnancy in the female body.
(1bii) Prolactin contributes to hundreds of physiologic functions, but the two primary responsibilities are milk production and development of mammary glands within breast tissues.
(ii)Prolactin promotes the growth of mammary alveoli, which are the components of the mammary gland, where the actual production of milk occurs.
I The internal intercostal muscles relax during inhalation.
ii The external intercostal muscles contract during inhalation.
iii The size of the lungs increases during inhalation.
iv During inhalation, the volume of the thoracic cavity increases.
i The internal intercostal muscles contract during exhalation.
ii The external intercostal muscles relax during exhalation.
iii The size of the lungs decreases during exhalation.
iv During exhalation, the volume of the thoracic cavity decreases.
(2a). Table note??♀️?
Sow -Sowing is the process of planting
Capon- a castrated domestic cock fattened for eating.
Hiefer- cow that has not borne a calf, or has borne only one calf.
Dam–provide a habitat for wildlife,
2 sensory purposes
Another number (2b)??♀️
1 _vibrissae, which are sensory hairs and are most commonly whiskers
2_bristles, which are long hairs usually used in visual signals
3_wool, which is long, soft, and often curly
1_Castration provides behavioral and health benefits for the animals as well as makes them easier to care for.
2_enables livestock farmers to manage breeding on their farms easily.
3_Male animals reserved for fattening and those not needed for breeding or mating should be castrated
4_it’s the smart thing for any livestock owner to do for any animal that’s not specifically part of a breeding program