Method for relieving piglet weanling stress by using simulated sow placatory voice
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A technology for weaning piglets and sows, which is applied in animal husbandry and other fields, can solve problems such as undiscovered weaning stress methods for piglets, and achieve the effects of improving animal welfare, reducing weaning stress, and shortening the reproductive cycle
Inactive Publication Date: 2011-11-23
INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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[0004] After searching, there is no report on the method of relieving th
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Embodiment 1
[0023] The making of embodiment 1 weaned piglet's vowel pacifier
[0024] Buy ordinary sound box (1) and MP3 (2), all bring connecting line (3) and power cord (4), sound box (1) and MP3 (2) are connected together by connecting line (3), the sound box ( 1) Connect to the power supply through the power cord (4), and obtain the soother for weaned piglets.
[0025] Import the soothing sound audio files stored on the computer into MP3(2), then connect the MP3(2) to the speaker(1), place the speaker(1) in the nursery of weaned piglets at a distance of 50 cm from the ground, facing the ground Place, then loop the soothing sound.
Embodiment 2
[0026] Example 2 Using the soothing sound of simulated sows to alleviate the weaning stress test of piglets
[0027] Proceed as follows:
[0028] Experimental Design: This experiment was carried out in Liuhe Breeding Pig Farm, Shouguang, Shandong. Using a single factor test design, select 100 piglets that are healthy, close in weight (7.5-8kg), weaned at 32 days, and of the same or similar breed, and are randomly divided into A (control group) and B (play sound 1) , C (play sound 2), D (play sound 3), E (play sound 4) 5 groups, each group has 20 heads, each head is 1 repetition, and the test period is 8 days.
[0029] Control group: no playback.
[0030] Sound 1: the sound made by the sow calling the piglet before milking, milking until the end of milking;
[0031] Sound 2: the sound made by the sow during milking;
[0032] Sound 3: the sound made by the sow when the milking is about to end;
[0033] Sound 4: The sound of the sow calling the piglets before milking.
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Abstract
The invention discloses a method for relieving piglet weanling stress by using simulated sow placatory voice, comprising the steps of: synchronously recording behaviours of piglets and sows and the hum of the sows in the suckling circulating process from the previous suckling ending to the next suckling ending of the piglets by using a camera; then selecting segments of the sows calling the piglets before the milk releasing by using audio software, separating videos from audios, denoising the audios by using audio editing software, and superposing and amplifying the obtained audios to obtain video segments; adding silence segments at the ends of the video segments to obtain placatory voice files; and repeatedly playing in piglet nursery sites by using a playing device. The invention also discloses a weaning piglet sow voice comforting machine of playing equipment. According to the method disclosed by the invention, the piglet weanling stress can be reduced, the piglet animal welfare level is improved, the piglet growing speed is increased, and the sow breeding period is shortened.
Description
technical field [0001] The invention belongs to the field of animal welfare, and in particular relates to a method for relieving weaning stress of piglets by using simulated soothing sounds of sows. Background technique [0002] In the wild state, the piglets are weaned when they are 70-100 days old. At this time, the ability of the piglets to eat and digest has been greatly improved. In the natural state, this gradual weaning will not stress the piglets. However, in intensive pig production, in order to improve the production efficiency of sows, piglets are generally weaned at the age of 21 to 35 days. One-time weaning method is mostly used for weaning, that is, early weaning, which is very stressful to piglets, manifested as mania, calling for mothers, refusal to eat, emaciation, loose fur, and severe exhaustion and death at the end, resulting in severe large economic loss. [0003] Piglets and sows communicate mainly through smell and sound. Sows recognize piglets by s...
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IPC IPC(8): A01K67/02
Inventor 顾宪红胡华伟张俊辉
Owner INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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