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Milk industries

Francesca Pedonese, Filippo Fratini, Luisa Pistelli, Federica Maria Porta, Pierluigi Di Ciccio, Roberto Fischetti, Barbara Turchi, Roberta Nuvoloni
Essential oils (EOs) are mixtures of secondary metabolites of plant origin with many useful properties, among which the antimicrobial activity is also of interest for the food industry. EOs can exert their antimicrobial potential both directly, in food products and active packaging, and indirectly, as sanitizing and anti-biofilm agents of food facility surfaces. Aim of this research was to evaluate the antimicrobial activity of four EOs (bergamot, cinnamon, manuka and thyme) against Pseudomonas fluorescens and Staphylococcus aureus isolated from milk and dairy products...
October 20, 2017: Italian Journal of Food Safety
Fanny Pandolfi, Sandra A Edwards, Dominiek Maes, Ilias Kyriazakis
This study aimed to provide an overview of the interconnections between biosecurity, health, welfare, and performance in commercial pig farms in Great Britain. We collected on-farm data about the level of biosecurity and animal performance in 40 fattening pig farms and 28 breeding pig farms between 2015 and 2016. We identified interconnections between these data, slaughterhouse health indicators, and welfare indicator records in fattening pig farms. After achieving the connections between databases, a secondary data analysis was performed to assess the interconnections between biosecurity, health, welfare, and performance using correlation analysis, principal component analysis, and hierarchical clustering...
2018: Frontiers in Veterinary Science
Amos Kosgey, Anakalo Shitandi, Jason W Marion
Milk vending machines (MVMs) are growing in popularity in Kenya and worldwide. Milk vending machines dispense varying quantities of locally sourced, pasteurized milk. The Kenya Dairy Board has a regulatory framework, but surveillance is weak because of several factors. Milk vending machines' milk is not routinely screened for antibiotics, thereby increasing potential for antibiotic misuse. To investigate, a total of 80 milk samples from four commercial providers ( N = 25), street vendors ( N = 21), and three MVMs ( N = 34) were collected and screened in Eldoret, Kenya...
March 19, 2018: American Journal of Tropical Medicine and Hygiene
Soyoung Yeo, Hee Sung Shin, Hye Won Lee, Doseon Hong, Hyunjoon Park, Wilhelm Holzapfel, Eun Bae Kim, Chul Sung Huh
Beneficial effects of lactic acid bacteria (LAB) have been intensively investigated in recent decades with special focus on modulation of the host intestinal microbiota. Numerous discoveries of effective probiotics are driven by a significantly increasing demand for dietary supplements. Consequently, technological advances in the large-scale production and lyophilization are needed by probiotic-related industries for producing probiotic LAB for commercial use. Our study had a dual objective, i.e., to determine the optimum growth medium composition and to investigate appropriate cryoprotective additives (CPAs) for Lactobacillus salivarius , and compare its responses with other Lactobacillus species...
March 16, 2018: Journal of Microbiology and Biotechnology
E A Horst, S K Kvidera, E J Mayorga, C S Shouse, M Al-Qaisi, M J Dickson, J Ydstie, H A Ramirez Ramirez, A F Keating, D J Dickson, K E Griswold, L H Baumgard
Activated immune cells are insulin sensitive and utilize copious amounts of glucose. Because chromium (Cr) increases insulin sensitivity and may be immunomodulatory, our objective was to evaluate the effect of supplemental Cr (KemTrace Cr propionate, 20 g/d; Kemin Industries Inc., Des Moines, IA) on immune system glucose utilization and immune system dynamics following an intravenous endotoxin challenge in lactating Holstein cows. Twenty cows (320 ± 18 d in milk) were randomly assigned to 1 of 4 treatments: (1) pair-fed (PF) control (PF-CON; 5 mL of saline; n = 5), (2) PF and Cr supplemented (PF-Cr; 5 mL of saline; n = 5), (3) lipopolysaccharide (LPS)-euglycemic clamp and control supplemented (LPS-CON; 0...
March 14, 2018: Journal of Dairy Science
Tanya R Wilson, Stephen J LeBlanc, Trevor J DeVries, Derek B Haley
Automatic milk feeders (AMF) for young dairy calves are widely used in the dairy industry. These feeders are thought to have benefits for calf health and welfare and may reduce labor required for feeding; however, little is known about how calves adapt to feeding with AMF. The objective of this study was to observe the effects of feeding stall design on calves learning to use the AMF. The hypothesis was that solid side stalls, compared with steel bar stalls, would result in a longer latency to approach and feed from the AMF without assistance...
March 14, 2018: Journal of Dairy Science
Andreja Goršek, Jožef Ritonja, Darja Pečar
BACKGROUND: Milk fermentation takes place in the presence of various micro-organisms, whereby a variety of dairy products is produced. The oldest among them is kefir, which is usually produced by fermentation of milk with kefir grains. Carbon dioxide (CO2 ), as one of the process products, also contributes to the characteristic flavor of kefir. The amount of CO2 generated during fermentation depends on bioprocessing conditions and may change, which is not desirable at the industrial level...
March 12, 2018: Journal of the Science of Food and Agriculture
Alice Cappucci, Susana P Alves, Rui J B Bessa, Arianna Buccioni, Federica Mannelli, Mariano Pauselli, Carlo Viti, Roberta Pastorelli, Valentina Roscini, Andrea Serra, Giuseppe Conte, Marcello Mele
Agro-industrial by-products contain several secondary plant metabolites, such as polyphenols, tannins, saponins, and essential oils. The effects of these compounds on animal metabolism may vary significantly according to the dose, the chemical nature of the molecules, and the overall composition of the diet. In the Mediterranean area, the olive oil extraction is associated with 2 by-products: olive pomace and wastewater, both rich in polyphenols. In particular, wastewater may be further processed to obtain olive crude phenolic concentrate (OCPC)...
March 7, 2018: Journal of Dairy Science
Rita Rahmeh, Abrar Akbar, Mohamed Kishk, Thanyan Al Onaizi, Aisha Al-Shatti, Anisha Shajan, Batool Akbar, Salwa Al-Mutairi, Awatef Yateem
Food safety has become an issue of great interest worldwide. Listeria monocytogenes is a food-borne pathogen that causes listeriosis and is difficult to control in the dairy industry. The use of lactic acid bacteria (LAB) and their antimicrobial substances against Listeria is promising in food applications. Here, we report the isolation from raw camel milk of LAB displaying antilisterial activity. Two isolates were selected for their secretion of bacteriocin(s) and identified by 16S rRNA sequencing as Enterococcus faecium S6 and R9...
March 7, 2018: Journal of Dairy Science
L Hanrahan, N McHugh, T Hennessy, B Moran, R Kearney, M Wallace, L Shalloo
The global dairy industry needs to reappraise the systems of milk production that are operated at farm level with specific focus on enhancing technical efficiency and competitiveness of the sector. The objective of this study was to quantify the factors associated with costs of production, profitability, and pasture use, and the effects of pasture use on financial performance of dairy farms using an internationally recognized representative database over an 8-yr period (2008 to 2015) on pasture-based systems...
March 7, 2018: Journal of Dairy Science
Xing Fan, Jie Chang, Yuan Ren, Xu Wu, Yuanyuan Du, Ronghua Xu, Dong Liu, Scott X Chang, Laura A Meyerson, Changhui Peng, Ying Ge
Dairy production is becoming more industrialized globally, especially in developing countries. The large amount of animal wastes from industrial feedlots cannot be fully used on nearby farmlands, leading to severe environmental problems. Using China as a case study, we found that most dairy feedlots employ a semi-coupled mode that only recycles solid manure to farmlands, and only a few dairy feedlots employ a fully-coupled mode that recycles both solid and liquid animal manure. To produce one ton of milk, the fully-coupled mode could reduce greenhouse gas (including carbon dioxide, methane, and nitrous oxide in this paper) emissions by 24%, ammonia emissions by 14%, and N discharge into water by 29%, compared with the semi-coupled systems...
March 8, 2018: Environmental Science & Technology
Anisha I Patel, Sepideh Dibay Moghadam, Michael Freedman, Aakash Hazari, Min-Lin Fang, Isabel Allen
Taxes on sugary drinks are being implemented to prevent chronic diseases. Sugar-sweetened milk has been exempt from such policies because of its nutritional value. This systematic review sought to examine whether flavored milk consumption was associated with milk and energy intake, and obesity among children. A search of PubMed, EMBASE, Cochrane, CINAHL, Web of Science, Cochrane Central Register of Controlled Trials and the grey literature was conducted for peer-reviewed publications published before June 6, 2016 that met the following criteria: 1) English-language publications 2) studies of children ages 1 to 18 years, 3) controlled experimental, cohort, case-control, systematic reviews, or meta-analysis studies 4) dependent variable: flavored milk consumption 5) independent variable: weight, weight gain, weight change, body mass index, metabolic syndrome, waist circumference, cholesterol, triglycerides, blood pressure, serum glucose, calories, sugar, or milk consumed...
February 28, 2018: Preventive Medicine
Szilvia Kusza, Ludovic Toma Cziszter, Daniela Elena Ilie, Maria Sauer, Ioan Padeanu, Dinu Gavojdian
Using a novel and fast genotyping method called Kompetitive Allele Specific PCR (KASP™), we carried out a pilot study on 48 single nucleotide polymorphisms (SNPs) belonging to 40 genes in French Alpine ( n  = 24) and Saanen ( n  = 25) goats reared in Romania. Furthermore, the associations of the 13 polymorphic genetic variants with milk production and composition were investigated. Thirty-five SNPs did not show polymorphism in the studied populations. Polymorphic SNPs were detected in the following genes: CAST, CLEC4E, DES, GHRHR, HSP90AA1, IL15RA, IL1RN, IL8, MITF, PPRC1, SOCS3, TNF and TNFSF13 ...
2018: PeerJ
Guanfei Zhang, Wenxue Chen, Weijun Chen, Haiming Chen
Matured coconut water (MCW) is a by-product in the coconut milk industry that is usually discarded due to its unpleasant flavor. In this study, low-alcohol coconut water (LACW) was fermented with Saccharomyces cerevisiae to improve the quality of MCW. Volatile components and nonvolatile flavor-related elements were estimated to compare the qualities of the MCW and LACW. Besides measuring the kinetic changes, the levels of fructose, glucose, sucrose and ethanol contents were also determined. The results of the organic acid assays showed that tartaric, pyruvic and succinic acids were the primary organic acids present in LACW and increased significantly with fermentation...
March 2018: Journal of Food Science and Technology
Muhammad Rashid, Akbar Haroon, Muhmmad Imran Rashid, Saeed Khalid, Ahmad Liaquat, Abdullah Saghir, Shehzad Wasim, Islam Saher, Farooqi Shahid
The dairy industry in Pakistan is booming and investors are anxious to fund dairy farms that are using high milk producing (exotic) cattle breeds such as Holsteins that are not native to the country. Unfortunately, the benefits of increased milk production do not provide resistance to pathogens present in regions where the exotic breeds are introduced. Therefore, the current study was conducted to evaluate the economic impact of Theileria annulata on a commercial Holstein dairy farm in the District of Ranjanpur, in the Province of Punjab, Pakistan...
February 27, 2018: Journal of Parasitology
Maria Jose Romo-Palafox, Nalini Ranjit, Sara J Sweitzer, Cindy Roberts-Gray, Courtney E Byrd-Williams, Margaret E Briley, Deanna M Hoelscher
BACKGROUND: Sweet drinks early in life could predispose to lifelong consumption, and the beverage industry does not clearly define fruit drinks as part of the sweet drink category. OBJECTIVES: To ascertain the relationship between beverage selection and dietary quality of the lunches packed for preschool-aged children evaluated using the Healthy Eating Index-2010. METHODS: Foods packed by parents (n=607) were observed at 30 early care and education centers on two nonconsecutive days...
February 16, 2018: Journal of the Academy of Nutrition and Dietetics
C A Rosales Nieto, M B Ferguson, C A Macleay, J R Briegel, D A Wood, G B Martin, R Bencini, A N Thompson
In ewe lambs, acceleration of growth and accumulation of both muscle and fat leads to earlier sexual maturity and better reproductive performance. The next stage in the development of this theme is to test whether these aspects of growth in young ewes affect milk production in their first lactation and the growth of their first progeny. We studied 75 young Merino ewes that had known phenotypic values for depth of eye muscle (EMD) and fat (FAT), and known Australian Sheep Breeding Values for post-weaning weight (PWT) and depths of eye muscle (PEMD) and fat (PFAT)...
February 26, 2018: Animal: An International Journal of Animal Bioscience
M Tran, R Roberts, T L Felix, F M Harte
The processing of milk using high-pressure technologies has been shown to dissociate casein micelles, denature whey proteins, and change the appearance and rheological properties of milk. A novel high-pressure processing technology called high-pressure-jet (HPJ) processing is currently being investigated for use in the food industry. Few studies have evaluated the effects of HPJ technology on dairy foods. The present study investigated the physicochemical and foaming properties of homogenized pasteurized whole milk processed at pressures from 0 to 500 MPa using HPJ processing...
February 21, 2018: Journal of Dairy Science
Sotiria Makri, Ioannis Kafantaris, Salomi Savva, Polyxeni Ntanou, Dimitrios Stagos, Ioannis Argyroulis, Basiliki Kotsampasi, Vladimiros Christodoulou, Konstantinos Gerasopoulos, Konstantinos Petrotos, Dimitrios Komiotis, Demetrios Kouretas
BACKGROUND/AIM: The aim of the present study was to investigate the antioxidant effects of a feed supplemented with polyphenolic additives from olive mill wastewater (OMW) on lambs. MATERIALS AND METHODS: Lambs received breast milk until the postnatal period, and then they were divided into two groups and received control and OMW feed for 55 days. Redox biomarkers were measured in blood and tissues at days 15, 42 and 70 after feeding. RESULTS: Feed supplemented with OMW reduced thiobarbituric acid reactive species and protein carbonyls and increased total antioxidant capacity, glutathione and catalase activity in both blood and tissues...
March 2018: In Vivo
Gracy K V V Medeiros, Rita C R E Queiroga, Whyara K A Costa, Carlos A A Gadelha, Rodrigo R E Lacerda, José T J G Lacerda, Luciano S Pinto, Elizandra Braganhol, Fernanda C Teixeira, Paula P de S Barbosa, Maria I F Campos, Gregório F Gonçalves, Hilzeth L F Pessôa, Tatiane S Gadelha
Goat whey is normally discarded in the milk processing industry. However, several studies have addressed its biological properties and possible use in human or animal diet. The present study aimed to analysis the protein profile of goat whey to evaluate its possible oxidant, antioxidant, antibacterial, antitumour, and cytotoxic activities in vitro against human erythrocytes. Goat whey was skimmed, and crude protein extract (CPE) was obtained. Next, protein fractions (F) were obtained using ammonium sulphate precipitation method...
February 19, 2018: International Journal of Biological Macromolecules
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