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Purebred cows native to Mongolia produce, on average, 400 [#permalink]
 12 Jun 2008, 15:22
Purebred cows native to Mongolia produce, on average, 400 liters of milk per year; if Mongolian cattle are crossbred with European breeds, the crossbred cows can produce, on average, 2,700 liters per year. An international agency plans to increase the profitability of Mongolia’s dairy sector by encouraging widespread crossbreeding of native Mongolian cattle with European breeds.
Which of the following, if true, casts the most serious doubt on the viability of the agency’s plan?
(A) Not all European breeds of cattle can be successfully bred with native Mongolian cattle.
(B) Many young Mongolians now regard cattle raising as a low-status occupation because it is less lucrative than other endeavors open to them.
(C) Mongolia’s terrain is suitable for grazing native herds but not for growing the fodder needed to keep crossbred animals healthy.
(D) Cowhide and leather products, not milk, make up the bulk of Mongolia’s animal product exports to Europe.
(E) Many European breeds of cattle attain average milk production levels exceeding 2,700 liters.
please tell me why A is wrong ?tks
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I think the answer here should be C
A is not correct in my opinion because it doesn't matter if not all europeans breeds can breed with mongolian. obviusly, only the ones that can breed with the mongolian will be used.
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Plan: To increase the profitability of Mongolia’s dairy sector by encouraging widespread crossbreeding of native Mongolian cattle with European breeds.(A) Not all European breeds of cattle can be successfully bred with native Mongolian cattle.
(A) Not all European breeds of cattle can be successfully bred with native Mongolian cattle.
Although not all Europeans breeds of cattle can be used but some breeds can still be used.
(B) Many young Mongolians now regard cattle raising as a low-status occupation because it is less lucrative than other endeavors open to them.
Not really relevant.
(C) Mongolia’s terrain is suitable for grazing native herds but not for growing the fodder needed to keep crossbred animals healthy.
I think this is correctly attacking the plan. Even if crossbreeding is successfully done, the cross breed animals will be sick so no good.
(D) Cowhide and leather products, not milk, make up the bulk of Mongolia’s animal product exports to Europe.
This is somewhat attacking but crossbreeding can still be done so plan is not weakened.
(E) Many European breeds of cattle attain average milk production levels exceeding 2,700 liters.
This we already know from passage, no good.
IMO C.
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thank you.
Now I see.
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Intern
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Re: Purebred cows native to Mongolia produce, on average, 400 [#permalink]
22 Sep 2012, 03:07
IMO C:
P1: Mongolian purebred cow produce 400 litres of milk per year
P2: Cross bred with European produce 2700 l of milk per year
p3: increase profitability of Mongolian dairy sector by encouraging cross breding with european breeds
A: We are not talking about all Europea breeds. We are good even if some of the breeds are suitable for cross breeding. OUT
B: So what. It is quite possible that the middle aged or older people are interested in this. OUT
D: Out of scope
E: Out of scope
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Re: Purebred cows native to Mongolia produce, on average, 400
[#permalink]
22 Sep 2012, 03:07
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