الثلاثاء، 29 سبتمبر 2020
الأربعاء، 23 سبتمبر 2020
الأحد، 13 سبتمبر 2020
Course Breeding of aquatic animals by Dr / Omaima khafagy Discussion exercises
My dear students
Course Breeding of
aquatic animals
dr-omaimakhafagy.blogspot.com
Lecture
genetic
improvement by Dr / Omaima khafagy
to remind and review
Discussion exercises
Answer these questions
Q1: (Fish can be divided according to what they are distinguished
and unique in the animal kingdom) Mention:
1-
One of the most important features that are unique to fish,
2-
The scientific classification of one of the fishes of that feature,
3-
The difference between the scientific classification and the
scientific division of fish in the animal kingdom.
Q2: Mention in the table the difference between traditional and
modern fish breeding.. ?!
Q3: Mention in the table the difference between internal and
external fish breeding.. ?!
Q4: One of the most important goals of genetic improvement in fish
breeding is to obtain distinct strains ... How.. ?!
Q5: One of the most important goals of genetic improvement in fish
breeding is to obtain strains resistant to environmental conditions. How .. ?!
Q6: One of the most important goals of genetic improvement in fish
breeding is to obtain new distinctive(special)
bright-colored strains..?!
Q7: One of the most important objectives of genetic improvement in
fish breeding is to obtain economic and tourist strains ... How.. ?!
Q8: The most important methods from genetic improvement for fish
breeding ......... and .........?!
Q9: (There are many unconventional (traditional)
methods of raising (breeding) fish).
Mention one of the most important of these methods and their
advantages, and one of the fish that is preferred to be raised with.. ?!
Q10: How can polluted crops and plants be resisted and eliminated
in light of ) In view of ( modern
breeding methods and genetic improvement .?!.
Q11: How can we obtain vital (organic
)- - حيوىcrops
free of pollutants such as pesticides and industrial fertilizers through modern
fish breeding methods.. ?!
Q12: Explain in light of
what you have studied in the genetic improvement of fish breeding
How can the problem of water scarcity(deficiency) - نقص -be
solved with regard to irrigating agricultural lands and cultivating and raising
fish..?!
***
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