Jerusalem, Oct 16: Egyptians practised fish farming more than 3,500 years ago, the earliest evidence of such activity worldwide according to a joint German-Israeli study released on Tuesday.
Scientists studied 100 fish teeth found at archaeological sites across modern-day Israel to conclude they had been plucked from a lagoon in Egypt's Sinai thousands of years ago.
"The sample of teeth covered a chronological period extending over 10,000 years, from the early Neolithic period through to the early Islamic period," said a statement from Israel's Haifa University, one of the participants in the study.
Of those samples, some were from about 3,500 years ago.
Farmers at the time found a lagoon which fish were entering and barricaded it for a few months, Guy Bar-Oz, one of the authors of the report and archaeology professor at the University of Haifa.
Afterwards "you can easily harvest them," the academic explained of a method still used in the same Sinai lagoon.
The Haifa academics worked alongside those from German universities in Mainz and Gottingen to deduce their findings from the teeth of gilthead sea bream.
Through studying the different types of oxygen isotopes in the teeth, scientists deduced that they were "spending at least four months in the closed lagoon", Bar-Oz told AFP.
The majority of the fish found by the researchers came from aquaculture and not local fishing.
Irit Zohar, from the University of Haifa and co-author of the study, said the size of fish standardised around 3,500 years ago and those imported from Egypt were all "the size of a plate".
"Exactly what we observe of the fish bred in modern aquaculture," she said.
Egypt became a "superpower in aquaculture" at that time, according to Bar-Oz. Scientists believe fish farming was practised in China 4,000 years ago, although Bar-Oz said no evidence has yet been produced to prove the theory.
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Bengaluru, Nov 26: With a group of Karnataka BJP leaders led by Bijapur MLA Basanagouda Patil Yatnal holding a parallel agitation over the waqf issue, veteran party leader B S Yediyurappa on Tuesday accused them of doing it because of their "self-conceit", and appealed them to work unitedly to strengthen the party.
The former Karnataka chief minister also said that everyone should take the responsibility for the party's defeat in the Assembly bypolls for three segments, even as the BJP's performance is being seen as a "setback" for his son and state president B Y Vijayendra.
"State president B Y Vijayendra has appealed to Basangouda Patil Yatnal and others to stop protesting separately, and work with us unitedly. Despite this, because of their self-conceit, they are doing such things. It is not right on their part," Yediyurappa said.
Speaking to reporters here, he said, "I appeal to them at least now to come forward and cooperate to strengthen the party together."
When told that they are not willing to work unitedly with the state's current leadership of the party and whether he will bring it to the notice of the high command, Yediyurappa said, "We will do our duty. The rest is left to them and central leadership...high command knows everything. Let's see what they will do."
Yatnal-led group include BJP MLAs Ramesh Jarkiholi, B P Harish, and former lawmakers Aravind Limbavali, Kumar Bangarappa and G M Siddeshwara and others.
The leaders, who had stayed away from the protest recently held by the party on the Waqf issue, on Monday held a parallel agitation over the issue in Bidar. Today, they are in Kalaburagi district.
Yatnal and Jarkiholi have been openly critical of Vijayendra, accusing him of indulging in "adjustment politics" with the ruling Congress, and trying to keep the party in his clutches along with his father Yediyurappa.
Noting that the party had faced a setback in the bypolls for Sandur, Shiggaon and Channapatna, Yediyurappa said, "We accept that. What shortcomings were being discussed in the party. It should be ensured that such things don't repeat."
To a question whether the bypoll loss is being seen as a setback to his son Vijayendra, he said, "It is not a question of Vijayendra or Yediyurappa. The loss in all the three seats is a setback for us (party). Everyone should take the responsibility and see to it that such things don't repeat."