Wild tuna, a species of large ocean fish, have decreased in number because of overfishing Recently, attempts have been made to farm tuna by feeding the fish in ocean cages until they become large enough for sale. However, tuna farming has faced several problems and criticisms.
First, female tuna do not lay eggs in captivity, so tuna farmers must capture large quantities of young wild tuna to stock their farms, further reducing wild tuna populations. These young tuna are caged and fed until they are large enough to be sold. Since the captured females in tuna farms cannot lay eggs to replace the tuna that are sold, tuna farmers continue to catch young wild tuna to keep their farms going and so worsen the decline in wild tuna populations.
Second, tuna raised on farms are very expensive because they depend on costly, high-protein food derived from other fish. Tuna feed almost exclusively on small fish, which supply them with the proteins and nutrients they require. A single tuna can grow more than four meters long, weigh close to 700 kilograms, and eat 70 kilograms of food a day! It is unlikely that tuna farms can remain profitable while supplying so much expensive food for the tuna.
Third tuna confined to ocean cages are likely to become infested with parasites, organisms that feed on and weaken the animal they attach to. Tuna farmers off the coast of southern Australia have had problems with infestations of blood flukes, a type of parasite that lives within the blood vessels and heart of infected fish. Parasite infestations weaken tuna, slow their growth, and can even cause death, usually by making them susceptible to other diseases. Tuna farms in southern Australia have had 10 percent of their tuna die before they could be sold.
The reading and lecture are both about the difficulty regarding the tuna fish farming. The author of the reading feels that there comprises a lot of problems during the farming of tuna. The lecturer challenges the claim made by the author. He is of the opinion that the researcher has developed a promising solution in regards to this complexity.
To begin with, the reading says that female tuna does not lay eggs in the controlled condition. As a result, farmers were forced to catch a large amount of wild tuna. The speaker refutes on it by saying that the keeping of large stock would not be a problem any longer. He also points out that scientists have developed a hormone, which on injecting to the fish in captivity would cause to lay eggs--and it had no side effects on the health of the fish as well as consumers.
Furthermore, the article claims that tuna fish farming is costly--it requires a large amount of animal product diet--increases the cost of production. However, the lecturer, on the other hand, offers a counterargument on it. He discusses that farmers can use an alternative solution to this. He elaborates that instead of animal protein, they can use the processed form of plant protein. Consequently, the price would decrease.
Finally, the writer posits that tuna fish was highly contagious to parasites; blood flukes attached to it, and impedes overall growth. Additionally, it contends that only 90% would survive during the time of selling. On the contrary, the professor opposes it by asserting that some steps can be taken, as a result, the populations of blood fluke would decrease. According to him," In South-Eastern Australia, when tuna fish is raised in off-shore, its number has been decreased". It is because the blood fluke cannot complete its life-cycle far from the shore, and cannot thrive.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2020-11-07 | Md. Mahafuzur Rahaman | 73 | view |
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Grammar and spelling errors:
Line 1, column 187, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...of problems during the farming of tuna. The lecturer challenges the claim made by t...
^^^
Line 1, column 317, Rule ID: IN_REGARD_TO[1]
Message: Use simply 'regarding' or 'with regard to'.
Suggestion: regarding; with regard to
...cher has developed a promising solution in regards to this complexity. To begin with, the re...
^^^^^^^^^^^^^
Line 2, column 387, Rule ID: ALLOW_TO[1]
Message: Did you mean 'laying', 'lying'? Or maybe you should add a pronoun? In active voice, 'cause' + 'to' takes an object, usually a pronoun.
Suggestion: laying; lying
...ng to the fish in captivity would cause to lay eggs--and it had no side effects on the...
^^^^^^
Line 4, column 378, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , &apos
...d fluke would decrease. According to him,' In South-Eastern Australia, when tuna ...
^^^^^^
Transition Words or Phrases used:
also, consequently, finally, furthermore, however, if, regarding, so, well, as a result, as well as, on the contrary, to begin with, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 10.0 5.04856512141 198% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 13.0 12.0772626932 108% => OK
Pronoun: 29.0 22.412803532 129% => Less pronouns wanted
Preposition: 44.0 30.3222958057 145% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1542.0 1373.03311258 112% => OK
No of words: 308.0 270.72406181 114% => OK
Chars per words: 5.00649350649 5.08290768461 98% => OK
Fourth root words length: 4.18926351222 4.04702891845 104% => OK
Word Length SD: 2.8806295577 2.5805825403 112% => OK
Unique words: 175.0 145.348785872 120% => OK
Unique words percentage: 0.568181818182 0.540411800872 105% => OK
syllable_count: 472.5 419.366225166 113% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 8.0 3.25607064018 246% => Less pronouns wanted as sentence beginning.
Article: 11.0 8.23620309051 134% => OK
Subordination: 3.0 1.25165562914 240% => Less adverbial clause wanted.
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 18.0 13.0662251656 138% => OK
Sentence length: 17.0 21.2450331126 80% => The Avg. Sentence Length is relatively short.
Sentence length SD: 38.3529740344 49.2860985944 78% => OK
Chars per sentence: 85.6666666667 110.228320801 78% => OK
Words per sentence: 17.1111111111 21.698381199 79% => OK
Discourse Markers: 8.33333333333 7.06452816374 118% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 6.0 4.33554083885 138% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 7.0 4.27373068433 164% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.249219687199 0.272083759551 92% => OK
Sentence topic coherence: 0.0664563566011 0.0996497079465 67% => OK
Sentence topic coherence SD: 0.0659251721349 0.0662205650399 100% => OK
Paragraph topic coherence: 0.138590684662 0.162205337803 85% => OK
Paragraph topic coherence SD: 0.0320618734595 0.0443174109184 72% => OK
Essay readability:
automated_readability_index: 10.7 13.3589403974 80% => Automated_readability_index is low.
flesch_reading_ease: 62.68 53.8541721854 116% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.7 11.0289183223 79% => OK
coleman_liau_index: 11.48 12.2367328918 94% => OK
dale_chall_readability_score: 8.73 8.42419426049 104% => OK
difficult_words: 83.0 63.6247240618 130% => OK
linsear_write_formula: 6.5 10.7273730684 61% => OK
gunning_fog: 8.8 10.498013245 84% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Rates: 65.0 out of 100
Scores by essay e-grader: 19.5 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.