In the fourth quarter,as the consumer end gradually enters the peak season,there is a trend of temporary stabilization in milk prices. Affected by the overall environment,the decline in annual performance of most dairy companies has become a foregone conclusion. In the fourth quarter,various dairy companies have increased their sales efforts,striving for a good end to the annual performance.This paper analyzed the dairy market in the fourth quarter from a third-party perspective,in order to provide reference value for dairy companies to understand the current situation of the industry.The main content of this paper includes: industry fundamentals for the fourth quarter,interpretation of the third quarter reports of listed dairy companies,fourth quarter industry/enterprise dynamic analysis,fourth quarter key new product analysis.

Dairy enterprises have attracted much attention due to the special products and the growth of market demand.In the internal management of production and processing,production and inventory management is significantly different from other manufacturing enterprises and has certain specialties.This paper discussed the key links of production and inventory management of dairy enterprises,and analyzed the characteristics and management status of representative dairy enterprises in this field,and proposed effective optimization strategies.Through in-depth research on production processes,inventory control and quality assurance,this paper provided reference for dairy enterprises to improve efficiency and competitiveness.

In the context of the digital economy,the practical significance of dairy brand building mainly lies in enhancing market influence and competitiveness,increasing sales revenue and operating profits,and building a responsible social image for the enterprise. Taking Xueyuan Dairy as an example,its brand building is facing problems such as the lack of effective digital tools and platforms,low integration of online and offline,insufficient consumer participation,and unclear brand stories and value transmission.To enhance brand building,it is recommended that Xueyuan Dairy strengthen its digital infrastructure construction,establish an online and offline linkage mechanism,and clarify its brand value positioning to help Xueyuan Dairy achieve comprehensive brand building in the digital economy era.

The effect of the transition from conventional milking system to milking robots varies from dairy farm to dairy farm,mainly due to the differences in the start-up process and the preparedness for milking robots on dairy farms, amongst many other reasons.This paper described and summarized the important factors affecting the start-up of milking robots in dairy farms from different perspectives such as hardware,different labor,and management for the enablement of milking robots.

With the development of large-scale dairy farms, manure generated during the breeding process and its treatment have become an important issue for the carbon reduction of agriculture and livestock. In order to solve this problem, taking Hanting District of Weifang City as an example, this paper introduced the mechanism,operation method and application effect of biogas fermentation technology and aeration fermentation technology in order to provide reference for dairy farm. Research showed that both technologies can achieve zero emissions of dung on dairy farms, increase the economic benefits of dairy farming, and promote the healthy and sustainable development of dairy industry. Biogas fermentation technology requires a large area and investment funds, and its effectiveness is better in summer and less in winter. Aerobic fermentation technology does not require a large area of land and invests less money than biogas fermentation technology. It can treat cow manure harmlessly in a short time, solve the problem of inefficiency caused by the excessive consumption time of biogas fermentation, and solve the problem that biogas fermenting cannot continue to operate because the output of gas is greatly reduced in winter. It is suitable for various large, medium and small dairy farms.

Since 2017,Yishui County has continued to promote whole corn silage technology. The application of whole corn silage in cattle raising in Yishui County was analyzed by summarizing the data over the years.Visiting the cattle farm to know the whole corn silage situation on site.The disadvantages and key points of whole maize silage popularization and application were studied.The main points and economic benefits of whole plant corn silage were summarized,and the experience was summarized to provide reference for the breeding enterprises using whole corn silage and the relevant animal husbandry departments promoting this technology.

[Objective] To study the effects of adding bacterial enzyme preparations to dairy cow diet on blood biochemical and immune indexes.[Method] A total of 200 healthy lactating cows with similar age and parity in a large-scale dairy farm were selected as the research objects and divided into 4 groups（n=50） by random number table method.They were divided into control group（basic diet）,bacterial enzyme preparation group 1（basic diet+0.1% bacterial enzyme preparation） and bacterial enzyme preparation group 2（basic diet+0.2% bacterial enzyme preparation） and bacterial enzyme preparation group 3（basic diet+0.3% bacterial enzyme preparation ）. Each group was set with 5 replicates and 10 lactating cows per replicate.The pre-test period lasted for 7 days and the test period lasted for 42 days.The blood biochemical and immune indexes of lactating cows in each group were analyzed statistically.[Result] ALT,TBIL,CK,ALB,BUN,Na,P,Ca and other blood biochemical indexes of lactating cows in bacterial enzyme preparation group 1,group 2 and group 3 were better than those in control group（P<0.05）. The blood biochemical indexes of bacterial enzyme preparation group 2 were the best.There was no significant difference in IgM,IgG and TNF-α in control group,bacterial enzyme preparation group 1,group 2 and group 3（P> 0.05）. IgA in bacterial enzyme preparation group 2 was higher than that group 1,group 3 and control group（P<0.05）,and there was no significant difference between bacterial enzyme preparation group 1 and group 3（P>0.05）.IL-2 in bacterial enzyme preparation group 1,group 2 and group 3 were higher than that in control group（P<0.05）,and there was no significant difference in IL-2 in group 1,group 2 and group 3（P>0.05）.[Conclusion] Bacterial enzyme preparation could improve the blood biochemical indexes of lactating cows and enhance the immune capacity of the body,and 0.2% was the most suitable addition.

[Objective] In August 2023,an outbreak of infectious disease characterized by respiratory symptoms was reported on one cattle farm in Tianjin. To determine the cause of the disease,we conducted etiological diagnosis of the relevant pathogens in the affected calves. [Method] Lung specimens were collected from dead calves. We used the PCR method to detect seven bovine respiratory pathogens,including Bovine parainfluenza virus type 3,Bovine respiratory syncytial virus,Bovine herpesvirus type 1,Bovine adenovirus type 3,Mycobacterium bovis, Bovine Klebsiella bovis and Mycoplasma bovis. [Result] The results showed that two pathogens,BHV-1 and BAdV-3,were detected in the samples,and there was mixed infection. No other pathogens were detected. [Conclusion] This study confirmed the existence and prevalence of BHV-1 and BAdV-3 in dairy cows in this cattle farm,which provided reference for the prevention and control of respiratory diseases.

[Objective] The bitterness of high calcium milk is mainly caused by the hydrolysis of casein by endogenous or exogenous proteases in milk and the formation of bitter free amino acids and oligopeptides. In order to control quality problems caused by proteases,it is necessary to measure the protease activity in milk.[Method] At present,there is no national standard method for detecting protease activity in milk and dairy products. This study introduced a rapid detection method for determination of protease activity in milk and dairy products by UV spectrophotometer-Folin method.[Result] The standard curve range used in this research was linear and meets the test requirements. The results of precision and spiked recovery experiments indicated that the spiked recovery rate was within the normal range.[Conclusion] The UV spectrophotometer-Folin method can be applied to the determination of protease activity in milk and dairy products.

Infant formula is the only or primary source for infants and young children to obtain part or all of the nutrition. Specific formulations should meet different nutritional needs,and ensuring the quality and safety of infant formula is related to the health of the next generation.In this paper,the key risks affecting the safety of infant formula,including the monitoring results of supervision and sampling in recent years,the report of relevant public opinion affairs and potential risks were comprehensively analyzed.Risk control measures were proposed for the entire industrial chain and supervision related links of production enterprises. In order to continuously improve the risk detection ability of infant formula,this paper provided scientific suggestions for promoting food supervision and sampling work and high-quality development of the infant formula industry.

With the rapid development of the dairy industry,the quality and safety of dairy products have received much attention,and accurate and efficient detection technology has become the key.As the core equipment of modern dairy testing,the constant temperature and oscillation detection device integrates advanced temperature control and oscillation technology,which can simulate complex environment,ensure uniform heating and full reaction of samples,and provide accurate and reliable support for dairy testing. In this paper,the application of the device in dairy detection was discussed,including microorganism,nutrient composition,physical and chemical properties and pollutant detection.Its working principle,key technology and structure are described in detail. Comprehensive analysis of temperature control accuracy,oscillation performance,stability,sealing and other performance indicators.It also look forward to the future development trend from the aspects of innovative design, technology integration,standardization and intelligence,aiming to provide theoretical and technical support for improving the level of dairy testing and promoting the development of the industry.

[Objective] To establish a high-performance liquid chromatography tandem mass spectrometry analysis method for multiple pesticide residues in raw milk.[Method] Raw milk samples were extracted with acetonitrile,purified with 150 mg of N-propylethylenediamine（PSA）,900 mg of magnesium sulfate and 15 mg of C18,and then eluted with liquid phase gradient.The samples were detected by electric spray（ESI+/ESI-）,and quantified by matrix matching external standard method.A rapid qualitative and quantitative analysis method for 83 pesticide residues in raw milk was established.[Result] The results of method validation showed that 83 pesticide residues exhibited good linearity within the range of 0.5 μg/L to 100 μg/L,with a correlation coefficient R²>0.99.The recovery rate of adding at three levels（0.010 mg/L,0.020 mg/L,0.100 mg/L） is 32%~134%,with a relative standard deviation of 0.3%~8.5%.[Conclusion] This experimental method is simple to operate,time-consuming,and suitable for rapid screening and quantitative analysis of pesticide residues in raw milk.It has practical application value. Using this method,83 pesticide residues were detected in 50 batches of raw milk,all of which meet the requirements of the GB 2763—2021 National Food Safety Standard Maximum Residue Limits for Pesticides in Food for raw milk.

[Objective] Lactic acid bacteria are of great significance in promoting human health. As good carriers, fermented milk and live lactic acid bacteria beverage are important sources of lactobacillus supplementation for human body. The national standards clearly specifies the quantity of lactic acid bacteria in fermented milk and live probiotic beverages, so it is important to ensure the accuracy of detection results. [Method] Common laboratory medium are selected as the interference components, and the effects of various interfering components on lactic acid bacteria culture media and national standard test results are explored through artificial addition.[Result] The total number of bifidobacterium is the most affected by rose Bengal medium and BS medium, and the least affected by VRBA medium. The total number of Streptococcus thermophilus is the most affected by TTB medium and the least affected by VRBA medium. The total number of Lactobacillus is most affected by SC medium, VRBA medium and XLD medium have the least effect on Lactobacillus. MRS AGAR medium is most affected by SC medium composition, modified MRS AGAR medium is most affected by SC medium, MC AGAR medium is mainly affected by high supplemental BS medium. [Conclusion] The results provided a basis for judging the culture status of lactic acid bacteria through the medium, colony sense and colony number changes, and provided a reference for the abnormal analysis of lactic acid bacteria detection results, and have certain guiding significance for ensuring the accuracy of lactic acid bacteria detection results.

Nutrition label of prepackaged food is important instructions for food nutrition information in prepackaged food label,which is of great significance to guide consumers to choose products reasonably. Dairy products are rich in nutrients, and it is more important to correctly label their nutritional information. Due to inadequate understanding or deviation of relevant standards by food production enterprises, there may be errors or defects in the labeling of nutrition information. This article takes dairy products as an example to summarize common problems in nutrition label of prepackaged food, propose correct label methods and compliance measures, and provide reference for dairy and food production enterprises.

As the basis of life material,protein plays a key role in the growth and development of infants and young children. The proteins contained in human milk have a variety of biological functions. However, there are still significant differences in protein composition between infant formula and human milk. In this paper,the research hotspots in recent years such as the impact of A2 type β - casein,lactalbumin, osteopontin on the health of infants and young children,as well as its application progress and future development trend in infant formula milk powder were reviewed in detail,in order to elaborate the necessity and methods of the design and development of infant formula milk powder with deep breast milk protein composition and content.

Due to geographical and production constraints, etc,The development of camel milk powder market has been restricted for a long time. As a unique dairy resource in Xinjiang,in order to promote the research and utilization of camel milk, this paper discussed camel milk powder from various aspects such as the composition of camel milk, the role of health care, the development status of camel milk powder, and the comparison of the implementation standards for the preparation of camel milk powder. Some suggestions are proposed for the future development of the camel milk powder industry. Improving the production technology of camel milk powder with higher efficiency and lower damage,as well as formulating adulteration standards and restrictive measures,are effective ways to promote the vigorous development of Chinese camel milk powder industry.

Dairy products have become an indispensable part of citizens' lives. On the one hand,the safety of dairy products is related to the vital interests of the people,on the other hand,it is of great significance to maintain social stability. The necessity of the dairy products recall system is particularly prominent as an important defense line in the field of dairy product safety. The recall system of dairy products in China has some problems such as narrow scope of recall subjects,lack of follow-up supervision and imperfect publicity of recall information. Drawing on the successful experience of foreign food recall,the dairy product recall system is further improved by including consumers and third-party platforms into the main scope of dairy products,unifying recall standards,constructing dairy product recall supervision rules,and establishing a special dairy product recall information publicity platform,so as to better play the effect of the dairy product recall system and promote the development of food safety in China.

The creation,application,protection and management of intellectual property rights are crucial to the upgrading and transformation of dairy enterprises and the dairy industry.With the promulgation of the Civil Code and the introduction of the relevant provisions of punitive damage in the special laws of intellectual property,the system of punitive damage for intellectual property infringement has been fully established in our country.In the future,the legal provisions of the intellectual property punitive damage system should adopt a unified expression of “Intentional”,continue to refine and improve the amount of punitive damage standards,and enable China's dairy enterprises to develop in high quality.