Lesson Notes By Weeks and Term - Senior Secondary School 2

Term: 3^rd Term

Week: 3

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 2 periods each

Date:       

Subject:    Agriculture

Topic:-      Animal Reproduction III

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

1. Define fertilization, implantation, gestation period and parturition
2. Discuss the signs of approaching parturition

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION	TEACHER’S ACTIVITY	STUDENT’S ACTIVITY
STEP 1 INTRODUCTION	The teacher reviews the previous lesson on mating	Students pay attention
STEP 2 EXPLANATION	She defines fertilization, gestation, implantation and parturition	Students pay attention and participates
STEP 3 DEMONSTRATION	She discusses the signs of approaching parturition	Students pay attention and participate
STEP 4 NOTE TAKING	The teacher writes a summarized note on the board	The students copy the note in their books

 

NOTE

FERTILIZATION

This is the fusion of the male and female sex cells spermatozoa and ovum respectively. This process occurs in the Fallopian tube or oviduct.

IMPLANTATION

This is the attachment of zygote (fertilized egg) to the wall of the uterus after fertilization. The zygote develops into a foetus and continues to grow till time of parturition.

GESTATION PERIOD

This is a period between fertilization of an ovum to the birth of young ones, conception and birth. During gestation, female animals do not come on heat. It is under the control of hormone called progesterone (Pregnancy hormone).

FEATURES OF GESTATION PERIOD

1. There is swelling of abdomen
2. There is swelling of adder
3. There is increase in body weight

 

SPECIES	NAME OF FEMALE	GESTATION PERIOD
Horse Cattle	Mare Cow	336 days, 283 days
Goat	Doe	150 days
Sheep	Ewe	150 days
Pig	Sow	114 days
Rabbit Chicken	Doe Hen	31days, 21 days

 

PARTURITION

This is the act of giving birth in farm animals. It marks the end of pregnancy and the beginning of lactation. The act of parturition for each animal is unique.

1. Cow – Calving
2. Sow – Farrowing
3. Ewe – Lambing
4. Goat (Doe) – Kidding
5. Rabbit (Doe) – Kindling
6. Poultry – hatching

 

SIGNS OF APPROACHING PARTURITION

1. Mammary glands enlarge and begin to secrete milk substance
2. Vulva swells and become soft
3. There may be thick mucus discharge
4. The animal become restless lies down and get up frequently
5. The animal urinate frequently
6. The animal tries to build a nest and beds e.g. in rabbit
7. Loss of appetite

 

EVALUATION:   1. Define fertilization, implantation, gestation and                                               parturition         

2. Discuss the signs of approaching parturition

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively