Physiology of Finfish and Shellfish

Teacher

Dr. Saritha S

Category

Core Courses

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Course Name : Physiology of Finfish and Shellfish

Course Code(Credit) : FSRM 2105 (2-1-0)

Program Outcome

PO1: Knowledge enhancement: Enhanced knowledge on concepts, essential facts, basics, principles and theories relating to fishery biology, biodiversity and aquatic environment, aquaculture, fish nutrition, fish physiology, genetics and biotechnology, fish processing, fisheries engineering, fish microbiology, fishery extension, economics, and biostatistics.

PO2: Professional and Entrepreneurial Skill development: Understanding the value and processes of life-long learning and professional enhancement and entrepreneurship development.

PO3: Critical thinking: After identifying the assumptions from the subject, take informed actions to frame the thinking and check out the degree to which these assumptions are accurate and valid, and look at our ideas and decisions (intellectual, organizational, and personal) from different perspectives.

PO4: Problem Solving: solve the problems from concerned disciplines using the knowledge, skills and attitude acquired from various disciplines in fisheries science.

PO5: Environment and Sustainability: Understand the issues of environmental contexts and sustainable development.

PO6: Data Handling and computational skills: Collect, analyze and interpret biological and scientific data for the scientific and farming community with the help of computer-based programmes.

PO7: Communication & Extension Skills: Develop appropriate communication skills for effective transfer of knowledge and technologies through extension activities.

PO8: Team Work: Play effective roles in capture, culture, management, financial and marketing of fish produce.

PO9: Ethics: Application of ethical principles and commitment to professional ethics and responsibilities.

 

Course Objectives

  • To define what is physiology

  • To study physiological functions

  • To understand the importance of finfish and shellfish physiology in fishery biology

Course Outcomes

At the end of the course, students should:

CO-1 To attain knowledge on various process involved in circulation and gas exchange
CO-2 To understand the physiological process of various systems
CO-3 To discover various factors affecting the physiology of fish
CO-4 To know about the functions of different endocrine glands

Course Syllabus

Theory

Water as a biological medium. Gas exchange; Circulation; Excretion; Osmoregulation; Reproductive physiology; Muscle physiology; Sense organs; Energy and nutrient status of food; Nitrogen balance; Standard and active metabolism; Energy utilization; Effect of environmental factors on the physiology of fin and shellfishes. Stress-related physiological changes. Structure and functions of important endocrine glands.

Practical

Estimation of oxygen consumption, Osmoregulation, ammonia excretion and carbondioxide output. Influence of temperature and salinity on metabolism. Haematology of fin and shellfishes. Histological techniques

Reference Books

1. Fish Physiology ---- Hoar & Randal (1 set – 32 Vol.)

2. Physiology of finfish and shellfish--Kastury Samantaray

Session Plan

Theory (32 sessions)

Session 1

Introduction on Physiology of finfish and shellfish

PFS-Session-1-Introduction

Physiology-1

Session 2

Physiology

Water as a biological medium- water cycle, as habitat, physical and chemical properties of water, biological importance of water as a solvent and as a medium for living organisms

Ses-sion-2-Gas-exchange

Gas-Exchange-and-Respiration-in-Fishes

Session 3 & 4

Gas exchange

Diffusion and respiration: bony fishes and cartilaginous fishes, structure of gills, mechanism of respiration, ram ventilation and double pump system

Gas-Exchange-and-Respiration-in-Fishes

Session 5 & 6

Circulation in fin fishes

  • Fish blood, counter flow mechanism of gas transport, oxygen disassociation curve, accessory respiratory organs in fishes
  • Circulation

Session 7 & 8

Circulation in shellfish

https://www.youtube.com/watch?v=wT5ae44YYvY

Session 11 & 12

Digestive physiology in shellfish

Subtopic: Digestive system, digestive glands, digestive enzymes, digestion and absorption

https://www.youtube.com/watch?v=HdCyj9fsOk0

Session 13 & 14

Excretory physiology in finfish

Session 15

Excretion in shellfish

Session 16 & 17

Osmoregulation in finfish

Session 18

Osmoregulation in crustaceans and molluscs

Session 19 & 20

Reproductive physiology  in finfish

Session 21

Endocrine regulations in reproduction in finfish

Session 22

Reproductive physiology in shellfish

Session 23

Muscle Physiology in Finfish

Session 25 & 26

Sense organs

https://www.youtube.com/watch?v=FsAOa-iWsfk

Session 27

Energy and nutrient status of food

https://www.youtube.com/watch?v=5jiD6wrZ-Ok

Session 28

Nitrogen balance

https://www.youtube.com/watch?v=05YP1YW_rrc

Session 29

Energy utilization

https://www.youtube.com/watch?v=hUBRAXUAd6U

Session 30

Effect of environmental factors on the physiology of fin and shellfishes

Stress

https://www.youtube.com/watch?v=pla2VyBaEdI

Session 32

Structure and functions of important endocrine glands.

Structure and Functions of Endocrine Glands

Fish Pituitary gland

Session 31

Stress and Stress-related physiological changes

Stress

https://www.youtube.com/watch?v=-fvYQEQDvcE

Session 32

Doubt clearing class

Session (Practicals)

Session 1 & 2

Estimation of oxygen consumption by the fish

Session 3 & 4

Estimation of Free carbon dioxide released by the fish

Session 5 & 6

Estimation of Free carbon dioxide released by the fish

Session 7 & 8

Effect of temperature on the behavioral and physiological response of common carp

Session 9 & 10

Sampling of fish blood

Session 11 & 12

Estimation of chloride content in fish blood

Session 13 & 14

Determination of Hemoglobin content in the blood

Session 15 & 16

Histology techniques collection of tissues and fixation

https://www.youtube.com/watch?v=7RPCaYq9SMI

Question Bank

Assignments

Assignment topics

Contents revised

Course outcome-Program outcome mapping

PO1 PO2 P03 P04 P05 P06 P07 P08 P09
CO1 3 3 2 2 2
CO2 3 3 2 2 2
CO3 3 3 2 2 2
CO4 3 3 2 3 2
Avg of CO-PO affinity levels 3 3 2 2 2

Our Main Teachers

Dr. Saritha S

Assistant Professor
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Saritha S is working as an Assistant Professor in the Department of Fisheries Resource Management, School of Fisheries, CUTM, Paralakhemundi Campus from May 2022 onwards. She completed her Ph.D. in Fisheries Resource Management from ICAR-Central Institute of Fisheries Education, Mumbai. M.F.Sc. (Master of Fisheries Science) in  Fisheries Resource Management from the College of fisheries, Mangalore, and B.F.Sc. (Bachelor of Fisheries Science) from Kerala University of Fisheries and Ocean Studies, Kochi, Kerala. She qualified for ASRB ICAR-NET in Fisheries Resource Management discipline in 2016. she was Awarded UGC-Rajiv Gandhi National Fellowship for pursuing Ph.D. in 2014. Received University Gold Medal and H.P.C. Shetty Gold Medal for having secured the Highest Grade Point Average in Master of Fisheries Science in Fisheries Resources and Management for the Academic year 2013-14.

    Assistant Professor, PhD School of Fisheries Centurion University of Technology and Management (CUTM) Paralakhemundi- 761211 Odisha, INDIA Mobile: +91 6238 514615 Email: amrutha.gopan@cutm.ac.in ACADEMIC QUALIFICATIONS Ph.D. in Fish Nutrition and Feed Technology(2020) from Central Institute of Fisheries Education(CIFE-ICAR), Mumbai M.F.Sc.(Master of Fisheries Science) in Fish Nutrition and Feed Technology (2015) from Central Institute […]