The usefulness of ultrasound in pigs lies in its ability to improve reproductive management of herds and reduce costs associated with non production days. This is achieved by identifying pregnant open sows. However, an additional benefit may involve the improvement of regular returns for detecting estrus. As employees immediately receive feedback from pregnant and non pregnant sows on the ultrasound imaging system, their efforts typically increase to identify these open females using boar exposure 21 days after the first service. However, in order to obtain full value from the real-time ultrasound work and equipment of the pig B-ultrasound machine, once non pregnant sows are identified, they must be removed from the breeding pOPUlation or repositioned during the next estrus period. The value of ultrasound is based on the average value of non productive days, using ultrasound to identify open females and eliminate them or reintegrate them into the breeding herd during the next estrus period, as well as the value of childbirth rate and litter.

When the delivery rate decreases from low to moderate (<85%) and the value (profit) of the padding decreases from low to moderate (<100 yuan), the economic return of ultrasound is * * * large. However, even in cases of high birth rates and litter sizes, ultrasound has reason to reduce the cost of pig production. Under the condition of average profit potential, such as a 70 yuan garbage profit and a 75% delivery rate, the estimated breakeven cost for real-time pregnancy diagnosis is 19.00 yuan per sow. The purchase of 8000 yuan ultrasound for 500 sows will cost 16 yuan per sow. In almost all testing and removal scenarios, by improving the early accuracy of the system, it can be expected to reduce by more than 15 days in the breeding herd, which can increase profits by~80 yuan/sow. This value is determined based on the reduced costs associated with daily sow maintenance and the opportunity for increased profits from selling market pigs. For those who purchase and provide ultrasound scanning services, it is recommended to pay the equipment fee within one year after purchase. Some people also suggest that the scanning time and the cost of purchasing equipment should be included in the billing cost. In contrast, people who own equipment and facilities can share the cost of equipment over a period of 3 years. This value is determined based on the reduced costs associated with daily sow maintenance and the opportunity for increased profits from selling market pigs.

For those who purchase and provide ultrasound scanning services, it is recommended to pay the equipment fee within one year after purchase. Some people also suggest that the scanning time and the cost of purchasing equipment should be included in the billing cost. In contrast, people who own equipment and facilities can share the cost of equipment over a period of 3 years. This value is determined based on the reduced costs associated with daily sow maintenance and the opportunity for increased profits from selling market pigs. For those who purchase and provide ultrasound scanning services, it is recommended to pay for equipment costs within one year of purchase. Some people also suggest that the scanning time and the cost of purchasing equipment should be included in the billing cost. In contrast, people who own equipment and facilities can share the equipment cost over a period of 3 years. It is recommended to pay for the equipment cost within 1 year after purchase. Some suggest that scanning time and the cost of purchasing equipment should be included in the billing cost. In contrast, people who own equipment and facilities can share the equipment cost over a period of 3 years. It is recommended to pay for the equipment cost within 1 year after purchase. Others suggest that scanning time and the cost of purchasing equipment should be included in the billing cost. In contrast, people who own equipment and facilities can share the equipment cost over a period of 3 years.

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