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21
For breeding, the number of ewes per ram is
Discuss
Answer & Solution
Answer: Option C
Solution:
For breeding, the number of ewes per ram is 40 - 50.
Fertile adult rams can serve at least 5 ewes per day, so over a 34 days breeding season, one ram could theoretically service over 150 ewes.
One mature ram can breed with up to between 35 and 50 ewes every year. A ram that is between a yearling and five years old can usually breed with between 25 and 50 ewes. Even a well-matured ram lamb can mate with between 15 and 30 ewes.
22
Casein is precipitated from milk at
Discuss
Answer & Solution
Answer: Option B
Solution:
Casein is precipitated from milk at pH 4.6.
Casein is precipitated from skim milk by acidifying it to produce acid casein, or the milk is treated with rennet to produce rennet casein. The precipitated casein curd is separated from the whey, washed and dried.
For casein, the IEP is approximately 4.6 and it is the pH value at which acid casein is precipitated. In milk, which has a pH of about 6.6, the casein micelles have a net negative charge and are quite stable.
23
Maximum amount of protein is found in
Discuss
Answer & Solution
Answer: Option C
Solution:
Maximum amount of protein is found in Sheep milk.
The difference in the protein content is due to genetic variation among these animal species. Whey protein content was highest in sheep milk (0.74%) while the lowest content was found in cow milk (0.53%). NCN content was higher in sheep milk (1.31%) and lower in camel (0.91%) and goat milk (0.90%).
The whey protein in sheep milk is very digestible. Sheep milk contains 3 times more of this type of protein than goat's or cow's milk which also contributes to better digestibility.
24
Big liver disease is also known as
Discuss
Answer & Solution
Answer: Option A
Solution:
Big liver disease is also known as IBD.
Liver disease can be a complication of inflammatory bowel diseases (IBD), such as ulcerative colitis (UC) or Crohn's disease.
The liver, which processes the food you ingest, can develop inflammation if IBD isn't treated appropriately. Unfortunately, some drugs used to treat IBD may also damage the liver.
25
Cow milk's protein is called
Discuss
Answer & Solution
Answer: Option C
Solution:
Cow milk's protein is called Casein.
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) (19-21).
Casein is chiefly phosphate-conjugated and mainly consists of calcium phosphate- micelle complexes.
26
Most common grass for animal feeding in Rajasthan
Discuss
Answer & Solution
Answer: Option A
Solution:
Most common grass for animal feeding in Rajasthan is Sewan.
Sewan is the primary grass of extremely arid parts of Jaisalmer, Barmer and Bikaner districts of western Rajasthan in the Indian Thar desert.
It thrives well under moisture stress on sandy plains, low dunes and hummocks of this region, receiving annual rainfall below 200 mm.
27
Oestrus cycle of pig is
Discuss
Answer & Solution
Answer: Option A
Solution:
Oestrus cycle of pig is 21 days.
The oestrous cycle in pigs spans 18 - 21 days. It consists of a follicular phase of 5 - 7 days and a luteal phase of 13 - 15 days. During the follicular phase, small antral follicles develop into large, pre-ovulatory follicles.
The female pig (sow) is ready to breed (reaches puberty) at 5 months of age and will show signs of being in heat. Some slow growing types and animals which are underfed will be older when they reach puberty. The sow will come into heat every 3 weeks throughout the year if she is not mated.
28
What is the best time to sit hen on eggs?
Discuss
Answer & Solution
Answer: Option B
Solution:
Night is the best time to sit hen on eggs.
The best time to set a hen is at night, as at this time she is more likely to settle down. Besides, when eggs are put under the hen at night the chicken is more likely to hatch on the night of the 21st day, and will have the whole night to rest and gain strength.
29
Diseases transmitted from man to lower vertebrate animals called as
Discuss
Answer & Solution
Answer: Option A
Solution:
Diseases transmitted from man to lower vertebrate animals are called Zooanthropozoonosis.
A reverse zoonosis, also known as a zooanthroponosis or anthroponosis, is a pathogen reservoired in humans that is capable of being transmitted to non-human animals.
It refers to pathogens sourced from humans and can include human to non-human animal transmission but also human to human transmission.
30
Heat in camel is known as
Discuss
Answer & Solution
Answer: Option A
Solution:
Heat in camel is known as Musth.
Camel is a seasonal breeder and their reproduction is different as compared to other livestock as both male and female come into heat during the breeding season.
The terminology used in case of males is “Thoot”, “Rutt” or “Musth”. Usually, the heat period is from November to March.