Based on the data of 30 provinces in China from 2012 to 2024, this article divides them into five major pig industry regions, namely the north, the east, the central-south, the southwest, and the northwest, to analyze their comparative advantages and influencing factors. The results showed that the southwest region had obvious comparative advantages in efficiency, scale, and comprehensiveness. The north region had weaker comparative advantages in efficiency, scale, and comprehensiveness. The central-south and eastern regions had relatively stable comparative advantages in efficiency, scale, and comprehensiveness from 2012 to 2024. The northwest region did not have the above advantages. The analysis of influencing factors indicated that the level of economic development and technological innovation had a significant positive impact on the regional comparative advantages of Chinese pig industry. The study shows that region-specific strategies should be adopted to leverage comprehensive comparative advantages, improve the economic efficiency of animal husbandry, and enhance technological innovation capabilities, so as to promote the high-quality development of the pig industry.
The modernization of Chinese animal husbandry industry serves as a crucial cornerstone for promoting rural industrial revitalization,an effective pathway for realizing agricultural and rural modernization,and a key step in advancing modern eco-agricultural development.At present,the modernization of Chinese animal husbandry industry has established a solid practical foundation,as evidenced by the continuous optimization of urban-rural resource allocation,the gradual formation of new quality productive forces in agriculture,and the steady improvement of green circular development systems.Based on this,the article proposes the following advancement strategies:Optimizing the allocation of factors across the entire industrial chain to expand the resource efficiency of modern animal husbandry development,promoting applicable smart farming solutions to strengthen the technological support for modern animal husbandry development,and establishing a regional crop-livestock recycling system to consolidate the ecological foundation of modern animal husbandry development,thereby providing a reference for the modernization of Chinese animal husbandry industry.
In the context of accelerating the development of new productive forces and promoting agricultural modernization, artificial intelligence is becoming an important engine driving the digital transformation of the livestock industry. This article analyzes the practical drivers of digital transformation in the livestock industry from two dimensions, enhancing the stability and regulatory capacity of livestock product supply, and improving resource utilization efficiency and pollution control capabilities. On this basis, the theoretical mechanisms through which artificial intelligence empowers the digital transformation of the livestock industry are revealed across three dimensions, namely the input end, the organizational end, and the output end. At the input end, artificial intelligence improves the utilization efficiency of feed and environmental resources, enabling intelligent control of breeding costs and benefits. At the organizational end, artificial intelligence strengthens collaborative linkages among industry chain entities and enhances the supply capacity of digital and intelligent livestock services. At the output end, artificial intelligence facilitates precise management of intelligent production, thereby improving production performance and health levels. Furthermore, the article proposed the innovative pathways, including strengthening the research and development of livestock-specific intelligent technologies, building open and shared digital infrastructure, and establishing a multi-tiered digital talent support system, to provide references for constructing a modern livestock industry system that is efficient, green, intelligent, and resilient.
The experiment aimed to investigate the optimal extraction process of Fructus Aurantii polysaccharides and its antioxidant activities in vitro.Ultrasonic-assisted aqueous two-phase system(ATPS)was used to extract Fructus Aurantii polysaccharides.The component ratio,liquid material quality ratio,extraction temperature,and extraction time of the ATPS system were preliminarily determined through single factor experiments.The extraction process was optimized using response surface methodology,and the total antioxidant capacity(T-AOC),superoxide anion radical scavenging rate,and hydroxyl radical scavenging rate of the Fructus Aurantii polysaccharides were measured to evaluate its in vitro antioxidant activity.The results showed that under the conditions of ethanol mass fraction of 27.5%,(NH4)2SO4 mass fraction of 17%,liquid material quality ratio of 50 g/g,extraction temperature of 40℃,and extraction time of 20 min,the optimal yield of Fructus Aurantii polysaccharides was 48.07 mg/g.At a quality concentration of 1 000 mg/L,the T-AOC was 0.098 mmol/L,the superoxide anion scavenging rate was 31.3%,and the hydroxyl radical scavenging rate was 56.3%.The study shows that Fructus Aurantii polysaccharides have certain antioxidant capacity and good biocompatibility.
High-moisture corn silage feed is a new type of high-quality energy feed with advantages such as low production cost and high nutritional value. High-moisture corn silage is mainly divided into three types, high humidity corn kernel silage, whole ear silage, and high-moisture corn silage with axles. It has high starch content and abundant total digestible nutrients, making it a high-quality energy feed source for ruminants and monogastric animals. In terms of production technology, the harvesting period, grain crushing size, storage facilities, and sealing technology are key factors affecting the quality of silage. Additives mainly consist of Lactobacillus preparations and organic acids, which can effectively improve fermentation quality and aerobic stability. In ruminant animal production, high-moisture corn silage can improve starch digestibility, growth performance, and milk production in beef and dairy cattle. It can partially replace dry corn in monogastric animals without affecting production performance. High-moisture corn silage is prone to deterioration when exposed to air, and its application in China is still in its infancy. However, under the impetus of the 'grain to feed' policy' policy, it has broad application prospects. The article provides a review of the types and nutritional characteristics, processing techniques and key technologies, additive selection, and application progress in the breeding industry of high-moisture corn silage, aiming to provide reference for the development and promotion of high-moisture corn silage technology.
