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Why More Farmers Are Making The Switch to Grass-Fed Meat and Dairy [ A ] Though he didn't come from a fa rmin g family, from a young age Tim Joseph was fa scin ated by the idea of living off the land. Reading maga zi nes like The Stockman Grass Farmer and Graze , he got hooked on the idea of grass-fed agriculture. The idea that all energy and wealth comes from the sun really int rigued him. He thought the shorter the distance between the sun and the end product, the higher the profit to the fa r m er. [ B ] Joseph wanted to put this theory to the test. In 2009, he and his wife Laura launched Maple Hill Creamery , an organic, all grass-fed yogurt company in northern New York. He quickly learned what the market has demonstrated: Demand for grass-fed products currently exceeds supply. Grass-fed beef is enjoying a 25-30% annual growth rate. Sales of grass-fed yogurt and kejir( 发酵乳饮品), on the other hand, have in the last year increased by over 38%. This is in comparison with a drop of just under 1 % in the total yogurt and kefir market, acco rdi ng to natural and orga nic market research company SPINS. Joseph's top priority became ge tti ng his hands on enough grass-fed milk to keep customers satisfied, si nce his own 64-cow herd wasn't going to s uffice . [ C ] His first partnership was with Paul and Phyllis Amburgh, owners of the Dharma Lea farm in New York. The Amburghs, too, were true believers in grass-fed. In addition to supplying milk from their own 85-head herd, they began to help other farmers in the area convert from conventional t o certified orga nic and grass-fed in order to enter the Maple Hill supply chain. Since 2010, the couple has helped 125 small dairy farms convert to grass-fed, with more than 80% of those farms co mi ng on board d uri ng the last two years . [ D ] All this conversion has helped Maple Hill grow 40-50% every year si nce it began, with no end in sight . Joseph has learned that a farmer has to have a certain mi ndset to successfully convert. But convi nci ng open­ mi nded dairy people is actually not that hard, when you look at the economics. Grass fed milk can fetch up to 2.5 times the price of conventional milk. Another factor is the squeeze that conventional dairy fa r m e rs have felt as the price of grain they feed their cows has gone up, tightening their profit margins. By repl aci ng expensive gr ai n feed w ith regenerative management practices, grass-fed farmers are insulated from jumps in the price of feed. These practices include gra zi ng ani mals on grasses grown from the pastureland's natural seed bank, and fertilized by the cows' own fertilizer . [ E ] Champions of this type of regenerative gra zi ng also po int to its ani mal welfare, climate and health benefits: Grass-fed ani mals live longer out of confinemen t. Gra zi ng herds stimulate microbial ( 微生物的) activity in the soil, helping to capture water and separate carbon. And grass-fed dairy and meat have been shown to be higher in cert ai n nutrients and healthy fats . [ F ] In the grass-fed system, f arme rs are also not subject to the wildly fluctua tin g milk prices of the int e rn ational commodity market. The unpredictability of global demand and the lag-time it takes to add more cows to a herd to meet demand can result in events like the recent cheese surplus. Going grass-fed is a safe refuge, a way for family-scale farms to stay viable. Usually a farmer will get to the po int where financially, what they're doi ng is not wor ki ng. That's when they call Maple Hill. If the farm is well managed and has enough land, and the desire to convert is si ncere, a relationship can begin. Through regular regional educational mee tin gs, a large annual mee tin g, individual farm visits and thousands of phone calls, the Amburghs pass on the p ri nciples of pasture management. Maple Hill signs a contract pledging to buy the farmer's milk at a guaranteed base price, plus quality premiums and incentives for higher protein, butter-fat and other solid s . [ G ] While Maple Hill's conversion program is unusually hands-on and comprehensive, it's just one of a grow in g number of bu si nesses committed to slowly changing the way America farms. Joseph calls sha ri ng his knowledge network through peer-to-peer lea rni ng a core piece of the company's culture. Last summer, Massachusetts grass-fed beef advocate John Smith launched Big Picture Beef, a network of small grass-fed beef farms in New England and New York that is projected to b ri ng to market 2,500 head of cattle from 125 producers this year. Early indications are that Smith will have no shortage of farm members. Since he began to info r m al ly announce the network at fa rmin g conferences and on social media, he's received a steady stream o f i nquiries from int erested farmers . [ H ] Smith says he'll provide services ran gi ng from formal se mi nars to on-farm workshops on holistic ( 整体的) management, to one-on-one hand-holding and an almost 24/7 phone hotline for farmers who are conve rti ng . In exchange, he guarantees an above-market price for each ani mal and a calf-to-customer electronic ear tag ID system like that used in the European Union . [ I ] Though advocates portray grass fed products as a wi n -win situation for all, they do have downsides . Price, for one, is an issue. Joseph says his products are priced 10-20% above orga nic versions, but depen di ng on the product chosen, compared to non-organic conventional yogurt, consumers could pay a premium of 30-50% or more for grass-fed. As for the meat, Smith says his grass-fed hamburger will be priced 20-25% over the conventional alternative. But a look at the prices on online grocer Fresh Direct suggests a grass-fed premium of anywhere from 35-60% . [ J ] And not every farmer has the option of going grass-fed. For both beef and dairy production, it requires, at least in the begi nnin g, more pastureland. Grass-fed beef production tends to be more lab or-i ntensive as well. But Smith counters that if you factor in the hidden cost of government co rn subsidies, environment degradation , and decreased human health and ani mal welfare, grass-fed is the more cost-effective model. "The sun provides the lowest cost of production and the cheapest meat," he says [ K ] Another grass-fed booster spurring farmers to convert is EPIC, which makes meat-based protein bars . Founders Taylor Collins and his wife, Katie Forrest, used to be endurance athletes; now they're advocates of grass-fed meat. Soon after laun chi ng EPIC's most successful product the Bison Bacon Cranberry Bar—Collins and Forrest found they'd exhausted their sources for bison ( 北美野牛) raised exclusively on pasture. When they started resear chi ng the supply chain, they learned that only 2-3% of all bison is actually grass-fed. The rest is feedlot c onfined and fed gr ai n and co rn. [ L ] But after General Mills bought EPIC in 2016, Collins and Forrest suddenly had the resources they needed to expand their supply chain. So the company teamed up with Wiscons in- based rancher Northstar Bison. EPIC fronted the money for the purchase of $2. 5 million worth of young bison that will be raised acco rdi ng to its grassfed protocols, with a guaranteed purchase price. The message to young people who might not otherwise be able to afford to break into the bu si ness is, "'You car Purchase this $3 million piece of land here, because I'm guaranteeing you today you'll have 1,000 bison on it. “We're brin gi ng new blood int o the old, conventional farming ecosystem, which is really cool to see, ” Collins expl ai ns . 36. Fa rmer s going grass-fed are not affected by the ever-changing milk prices of the global market . 37. Over the years, Tim Joseph's partners have helped many dairy f arme rs to switch to grass-fed . 38. One advocate believes that many other benefits should be taken into consideration when we assess the cost effectiveness of grass-fed fa rmin g . 39. Many dairy farmers were persuaded to switch to grass-fed when they saw its advantage in terms of profits . 40. Tim Joseph's grass-fed program is only one example of how American fa rmi ng practice is chang ing. 41. Tim Joseph was fas cin ated by the notion that sunlight b ri ngs energy and wealth to mank ind. 42. One problem with grass-fed products is that they are usually more expensive than conventional ones . 43. Grass-fed products have proved to be healthier and more nutritio n s . 44. When Tim Joseph started his bu si ness, he found grass-fed products fell short of demand . 45. A snack bar producer discovered that the supply of purely grass-fed bison meat was scarce .
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【判断题】样本均值的数学期望是总体均值
A.
正确
B.
错误
【单选题】氧分压最高的是
A.
静脉血
B.
动脉血
C.
组织液
D.
新鲜空气
【判断题】提示说明义务只能采取书面形式。( )
A.
正确
B.
错误
【单选题】从均值为200,标准差为50的总体中抽取容量为100的简单随机样本,用样本均值估计总体均值。样本均值的数学期望是( )
A.
150
B.
200
C.
100
D.
250
【单选题】体内氧分压最高的是
A.
肺泡气
B.
动脉血
C.
毛细血管血液
D.
静脉血
【单选题】It can be learned from the passage that Germans no longer think that ______.
A.
they will be misunderstood if they talk about the Wilhelm Gustloff tragedy.
B.
the Wilhelm Gustloff tragedy is a reasonable price to pay for the nation's past misdeeds.
C.
Germany is responsible for the horrible crimes it committed in World War II.
D.
it is wrong to equate their sufferings with those of other countries.
【单选题】It can be learned from the passage that Germans no longer think that______.
A.
they will be misunderstood if they talk about the Wilhelm Gustloff tragedy
B.
the Wilhelm Gustloff tragedy is a reasonable price to pay for the nation's past misdeeds
C.
Germany is responsible for the horrible crimes it committed in World War Ⅱ
D.
it is wrong to equate their sufferings with those of other countries
【单选题】氧分压最高的是:
A.
鱼类生活的水环境
B.
动脉血
C.
静脉血
D.
组织液
【单选题】氧分压最高的是
A.
细胞内液
B.
肺泡气
C.
毛细血管血液
D.
动脉血
【简答题】护理质量评价包括:结构评价、 、效果评价。
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