Merck Manual

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Suggested Guidelines for Boar Usage Based on Breeding Program a

Suggested Guidelines for Boar Usage Based on Breeding Program a

----Artificial Insemination----

--------Natural Mating--------

Boar Age (mo)

Semen Collection Frequencya

Matings/day

Matings/wk

Pen-breeding (females/mo)

6–8

1 time/wk

1

4

<8

8–12

1–2 times/wk

1

5–7

8–10

>13

≥4 times/2 wk

2 (spaced)

8–10

10–12

Adapted from Althouse GC. Animal Health and Production Compendium, 2002, by CAB International, Wallingford, Oxon, UK.

a Depends on boar libido