Introduction
摘要
The accumulation of androstenone, skatole, and other indoles in fat is what causes boar taint; this is controlled by the ratio of these compounds’ synthesis to degradation and can be influenced by a variety of factors such as environment and management techniques, nutrition, genetics, and sexual maturity. Immunocastration is one method of controlling boar taint, however it is not widely used in all nations. By using genome editing or selective breeding, genetics provides a long-term solution to the boar taint issue. There are several short-term methods that have been suggested to manage boar taint, but their effectiveness varies, and there is too much variation throughout breeds and individuals to apply a general remedy. As a result, we suggest using precision livestock management to create taint control strategies. This entails identifying the genetic variants and differences in metabolic processes that result in boar taint in particular groups of pigs, and using this knowledge to develop specialised treatments based on the underlying cause of boar taint. For certain animal populations, boar taint treatments can subsequently be identified and put into practice using genetic, proteomic, or metabolomic screening. Globally, the technology utilised in the breeding and production of pigs has changed significantly in the recent past. Pig production must be raised in order to reduce employment, and this can be achieved through improved herd management. Raising pigs yields significant profits since they have the best feed conversion ratio of any animal used to produce meat, with the exception of broilers. They give birth to ten piglets on average every farrowing and have shorter gestation periods—114 days on average. Even though it only takes 7 months to reach marketable weight, pig farming makes quick money. Pork, sausages, ham, bacon, and other products made from pigs are in great demand. Pigs are raised in large, integrated pig operations subject to strict biosecurity rules, as well as in backyard systems and on waste belts to family-run farms. Ensuring the welfare and health of animals is the primary measure towards accomplishing this objective. The economics of the farm’s produce depend on the health of the pigs. Reducing long-term drug usage will contribute to keeping pig herds healthy and slowing the spread of numerous diseases. When dietary lysine and energy are supplied close to requirements, milk protein synthesis is enhanced and muscle protein mobilisation is reduced. Nursing sows’ needs for amino acids vary because of the dynamic mobilisation of body tissues during lactation; however, lysine (Lys) is always the first-limiting amino acid. Using an early warning system, a veterinarian or herd management may determine a distinct diagnosis based on continuing observation of behavioural factors and a specific metric (such body temperature). Ensuring the welfare and health of animals is a crucial step towards accomplishing this objective. An important factor in production economics is also the health of the pigs on the farm. A widely accepted high potential herd management strategy calls for maintaining a good health status of pig herds by decreasing the incidence of various disease units and lowering the use for antimicrobial drugs.