Vocabulary

adhesive	клейкий
fry	малек
redds	гнездо лососевых
gravel bottom	дно из гравия
to replicate	повторять, копировать
to induce	вызывать

11.9 Translate the given Russian words into the English ones:

1) Many aquatic species broadcast their (икра) and sperm into water.

2) This type of reproductive scenario is typical of (креветки), (крабы), (лобстеры), (устрицы) and certain types of fishes.

3) (Форель) and (лосось) lay their eggs in shallow nests.

4) Hormone (уколы) can be used to induce (нерест).

5) (Болезни) and parasite organisms are almost always present in the culture (окружающая среда).

6) Some treatment chemicals are (эффективный) when added to (вода).

Answer the questions

1. How do different species lay their eggs?

2. What are hormone injections used for?

3. What conditions are necessary for fertilized eggs?

DISEASES AND PARASITES

Read the following international words and translate them. (Mind the part of speech).

Organisms, epidemic, problem, result, stress, period, aquaculture, episode, culture, analogy, students, individuals, role, chemicals, effective, control. Toxic, doses, system.

Give Russian equivalents of the following words and word combinations.

A number of diseases, disease and parasite outbreak, overfeeding, sustained underfeeding, culture environment, disease signs, a lack of resistance, immune status, to play a role, flu symptoms, direct human consumption.

Read the following terms.

Parasite, virus, bacteria, protozoans, helmints, epizootics, infestation, flu, immune, symptoms, antibiotics.