ai5

ARTIFICIAL INSEMINATION (A.I.)

Acknowledgement Credits: Halina Zaleski, Swine Extension Specialist

TABLES

Table 1—

Farrowing rates and litter sizes using fresh and frozen semen

Table 2—

Estimated cost of A.I.

Table 3—

Potential of organism by live boars and by semen

Table 4—

Basis for improving traits

Mating System or Plan

Good Management

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Heat Detection

Inseminating the sow

Target and Records

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Hand Mating

Fresh vs frozen semen

Semen collection

Commercial vs on-farm collection

Semen storage

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Topics

Table 3

Potential of organisms by live boars and by semen

Disease

Boar

Semen

Bacteria

Bordetella (AR)

X

Hemophilus

X

Pasteurella

X

Erysipelas

X

Leptospirosis

X

Dysentery

X

Brucellosis

X

X

Staphylococcus

X

X

Streptococcus

X

X

E. Coli

X

X

Viruses

TGE

X

Pseudorabies

X

Swine influenza

X

Enteroviruses

X

X

Parvoviruses

X

X

IBR

X

X

PRRS

X

X

Mycoplasma

M. hypopneumonia

X

M. hyosynoviae

X

M. hyorhinitis

X

X

Parasites

Internal

X

External

X

Table 4

Basis for improving traits

Trait

Potential for Genetic Improvement (Heritability)

Potential for Improvement by Crossbreeding (Hybrid Vigor)

Carcass

High

Low

Growth

Medium

Medium

Reproductive

Low

High

Table 1

Farrowing rates and litter sizes using fresh and frozen semen

(areas of different shading show significant differences in results)

Mating type and time after start of standing heat

Number of sows

Farrowing rate (%)

Born alive

Total born

Frozen semen, 12 hrs

60

31.7

7.0

7.1

Frozen semen, 24 hrs

60

51.7

7.4

8.2

Frozen semen, 12 & 24 hrs

59

54.2

7.9

8.5

Fresh semen, 12 & 24 hrs

60

91.7

10.0

11.2

Natural mating

365

82.2

9.8

11

Source: Mahone, 1983.

Table 2

Estimated cost of AI

Item

Cost

Fresh semen (2 doses)

$19.00 to $45.00

Disposable catheter

$0.45

Transportation

$30.00