Animal Husbandry - Study Mode
[#566] Hormone responsible for milk let down
Correct Answer
(A) Oxytocin
Explanation
Solution: Hormone responsible for milk letdown is Oxytocin. The oxytocin reflex is also sometimes called the “letdown reflex” or the “milk ejection reflex”. Oxytocin is produced more quickly than prolactin. It makes the milk that is already in the breast flow for the current feed and helps the baby to get the milk easily. It plays an important role in eliciting milk ejection in dairy cows. Oxytocin is released from the posterior pituitary gland into the blood circulation by various stimuli associated with suckling or milking.
[#567] Which disease is ectoparasitic zoonosis?
Correct Answer
(A) Scabies
Explanation
Solution: Scabies disease is ectoparasitic zoonosis. Scabies is a common ectoparasitic infestation caused by the mite Sarcoptes scabiei ssp. hominis. The motion of the mite in and on the skin is extremely itchy. Furthermore, burrowed mites and their eggs generate a massive allergic response in the skin that is even itchier. The mites usually spend their entire life on a dog.
[#568] Protein in milk exists in the form of
Correct Answer
(C) Colloidal
Explanation
Solution: Protein in milk exists in the form of Colloidal. Casein and whey protein are the major proteins of milk. Casein constitutes approximately 80% (29.5 g/L) of the total protein in bovine milk, and whey protein accounts for about 20% (6.3 g/L). Casein is chiefly phosphate-conjugated and mainly consists of calcium phosphate- micelle complexes. It forms about 80% of the bovine milk proteins and forms large colloidal particles with calcium phosphate to form casein micelles.
[#569] The order of salt tolerance
Correct Answer
(A) Sheep > Cattle > Pig > Poultry
Explanation
Solution: The order of salt tolerance is Sheep > Cattle > Pig > Poultry. Sheep is more tolerant to salt followed by cattle, then the pig and lastly poultry.
[#570] Which of the following breed of the goat is for milk production?
Correct Answer
(B) Jamunapari
Explanation
Solution: Jamunapari breed of goat is for milk production. Jamnapari or Jamunapari is an Indian breed of domestic goat originating in Uttar Pradesh. It has been exported to Indonesia, where it is known as the Etawah. It is bred for both milk and meat. The average lactation yield per day is slightly less than two kilograms.