Parameters

FY 2020-2021 & FY 2021-2022

FY

2020-2021

FY

2021-2022

1

N_start = number of goat at beginning of the period

37

37

90

2

N_final = number of goats end of the period

175

88

175

3

N_new = number of goats introduced in the flock through kidding & purchases in the period

214

66

148

4

N_kids = number of goats introduced in the flock through kidding in the period

89

18

71

5

N_purchase = number of goats introduced in the flock through purchases in the period

125

48

77

6

N_Withdrawn = number of goats lost from the flock through death and non-death in the period. e.g. slaughter, sales, theft, death etc.

98

13

85

7

N_death = number of goats lost from the flock through death in the period.

61

4

57

8

N_{non death} = number of goats lost from the flock through non-death in the period. e.g. slaughter, sales, theft etc.

37

9

28

9

Period (Month)

24

12

12

10

Average number of goats in the farm

109

56

163

11

Average population in the farm at risk of death

95

64

122

12

Mortality rate

0.026754386

0.005249344

0.03909465

or 27 goats per 1000 goat months

or 5 goats per 1000 goat months

or 39 goats per 1000 goat months