3-Breeder Sow Management

Question 1

 It can be used as a way to improve the genetic standard of the pig population.

Answer 1

Judging and Selection

Question 2

 In selecting gilts for breeding, ____ is recommended.

 That is selection is done at ____ months and the next selection, when the selected 2-3 months weaners reached 6 months old.

Answer 2

double selection

2-3 months

Question 3

what are the 4 types of selection

Answer 3

◼Tandem method
◼Independent culling
◼Selection index
◼Eyeball selection

Question 4

Those selected at weaning time should be grouped together in one or more pens until they are about ____ kilograms.

Subject the animals to more or less similar environmental conditions until they reach around ____ kilograms when final selection is done.

Weigh the animals and compute for the ____ and ____

Answer 4

20-30 kilograms

90 kilograms

average daily gain & feed conversion efficiency

Question 5

Guidelines for Judging (9)

Answer 5

Front part
Middle part
Rear parts
Pastern
Joints
Gait
Leg stance
Udder
Development

Question 6

Quarantine practice should last for not less than __ days.

Answer 6

30 days

Question 7

About 10-14 days before gilts are served, increase their feed allowance to ____ kgs/day.

Answer 7

3.0-3.5 kgs/day.

Question 8

Store vaccines (“live” or “killed”) in the refrigerator for __ *C

Answer 8

2-8 *C

Question 9

Fiberglass syringes and needles should be boiled for at least __ minutes.

Answer 9

15 minutes.

Question 10

Always have available ____ preparation ready for use within 2 3 minutes in case of anaphylactic shock.

Answer 10

epinephrine

Question 11

The time interval from weaning to service is also known as the “____” or the period wherein the sow is “unproductive”.

Answer 11

dry period

Question 12

If sows do not come into heat within 10 days, ____ could be given to induce heat.

Answer 12

hormonal injection

Question 13

*Which phase of estrus period

a part of the estrus period when the animal is accepting the boar but negative to the care taker’s test.

Answer 13

Boar phase I

Question 14

*Which phase of estrus period

period when the animal will show positive reaction to the boar and caretaker.

Answer 14

Insemination phase

Question 15

*Which phase of estrus period

the same with boar phase I except that it is after the insemination phase.

Answer 15

Boar phase II

Question 16

what is the best time to inseminate gilts

Answer 16

12 hours after the onset of heat period

Question 17

what is the best time to inseminate sows

Answer 17

12-24 hours after the onset of heat period.

Question 18

Other pregnancy diagnosis methods exist but they are either impractical (____) or expensive (____).

◼Pregnancy is can be detected with 90-95% accuracy using ____.

Answer 18

blood test

Ultrasonic or Doppler method

ultrasonic detectors

Question 19

 Based on US National Research Council recommendation, pregnant gilts or sows should be fed with a brood sow containing __% crude protein (CP), ____ kilocalories of digestible energy (DE); ____% of available phosphorus.
 The ration must be fortified adequately with good vitamin and mineral supplements.

Answer 19

14%

3300 kilocalories

0.75%

Question 20

Suckling period could be from ____ days, depending on the weaning practice of the farm.

Answer 20

28 days to 42 days

Question 21

Culling rate of less productive sows average about __% at any given breeding season.

Answer 21

15%

Question 22

Development
 Should be ____ in shape that is well proportioned and with proper height

Answer 22

clear wedge

Question 23

Udder
 The preferred number of live teats should be more than ___
 It should be well developed, prominent and evenly spaced.
 Avoid animals with ____

Answer 23

14

rudimentary and blind teats

Question 24

Leg stance
 Avoid gilts with ____ knee on the front view, a square stance is preferred.
 Avoid animals with ____ knee or bow legged
 The hind legs, when the animal is viewed from the side it should not be backward or ____ on the rear view, avoid animals with narrow, wide or cow-hocked stance

Answer 24

bucked and forward

knock

sickled-shaped

Question 25

Gait
 There should be no ____ of the rear part during walking

Answer 25

swaying

Question 26

Joints
 Select animals with ____ joints, without lesions and/or swellings

Answer 26

dry joints

Question 27

Pastern
 Avoid ____ angled pastern
 The claws should be evenly developed

Answer 27

steep or low

Question 28

Rear parts
 The depth (from the rump to hock joint) and length (from the knee to the back of the ham) from the side and rear view should be ____ set.

Answer 28

wide

Question 29

Middle part
 Should be long and strong.
 It should be flat, wide back, well arched sideward as well as backwards.
 Avoid gilts with ____ and narrow back with flat deep sides.
 Slightly arched back is preferred and there should be smooth transition and that the back and loin are in line with the rump and rear parts.

Answer 29

“roofed-shaped”

Question 30

Front part
 Should be ____ on top view.
 The transition of the head and shoulder in line should be smooth.
 Gilts with ____ shoulders clearly move during walking.

Answer 30

wide

loose