The purpose of using a B-ultrasound machine for pigs is to improve the reproductive management of the herd and reduce costs associated with non production days, which is achieved by distinguishing between pregnant and empty sows. However, another benefit may involve improving the detection of regular returns. When employees receive immediate feedback about pregnant and non pregnant sows from the testing of pigs using B-ultrasound Machines, they usually increase their efforts and use boar exposure 21 days after * * * service to identify these pregnant sows. However, in order to obtain full value from the work and equipment of the Pig B-ultrasound machine, once non pregnant sows are identified, they must be removed from the breeding herd or re bred during the next estrus period. Based on the average value of non production days, ultrasound is used to identify empty pregnant sows and eliminate or reintroduce them into the breeding herd during the next estrus, depending on the delivery rate and the dollar value of bedding.

When the litter rate is low to moderate (<85%) and the value (profit) of one litter is low to moderate, the economic return of pigs using B-ultrasound machines is significant. However, even in high litter rates and litter sizes, the use of B-ultrasound machines in pigs can still reduce production costs. Under the average condition of potential profits, it can be expected to reduce the number of breeding pigs by 15 days and improve the early accuracy of the system, which can increase profits. This value is determined by the cost reduction related to daily maintenance of sows and the profit opportunities increased from the sale of market pigs. For those who purchase and provide ultrasound scanning services, it is recommended to include the scanning time and the cost of purchasing equipment in the billing cost. In contrast, those who have both equipment and facilities can spread the cost of the equipment over a 3-year period.

Pregnancy detection of sows using B-ultrasound machine

generalization

The accuracy of the pig B-ultrasound machine used for positive pregnancy diagnosis is based on the visualization ability of clear, multiple, and fluid filled cysts in the uterus. These are most common between the 24th and 35th day of pregnancy.

Sows identified as pregnant between the 24th and 35th day do not need to be re examined before delivery.

If the animal is determined to be empty on the 24th day, it should be re examined a few days later to confirm the diagnosis, and then it should be determined to be culled or reproduced in the next estrus period.

Due to decreased body fluids, fetal growth, and calcification, avoid conducting pregnancy tests between day 38 and day 50. If it is confirmed during this period that the female is empty, please check again after the 50th day and then eliminate her

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