Maçi Renis, Xhafa Artan, Arndt Christoph
Department of Food Microbiology, Food Safety and Veterinary Institute, Tirana, Albania.
Agriculture and Finance Consultants, Bonn, Germany.
Ital J Food Saf. 2024 Mar 19;13(2):12122. doi: 10.4081/ijfs.2024.12122. eCollection 2024 May 15.
Cost-effective methods are crucial in small-scale operations to assess the physicochemical properties of milk, identify potential clinical or subclinical mastitis, and test β-lactams in small ruminants. The aim was to evaluate the importance of physicochemical characteristics, somatic cells, and antibacterial substances as factors for monitoring the quality and safety of bulk tank milk from sheep and goats. Furthermore, we aimed to elucidate the influence of grazing capacity on the composition of sheep milk. The fat content of sheep milk (n=119) was found to be 7.7%, with a range of 5.3% to 9.9%. The average fat content of dairy goats (n=33) was found to be 4.9%, with a range of 2.8-6.7%. The results indicate that 2.8% of sheep milk samples and 7.8% of goat milk samples exhibited clear positive reactions when assessed using the California mastitis test. β-lactam antibiotics were present in 0.7% of sheep milk samples, but not in any of the goat milk samples using lateral flow strips. This measurement method can be useful to detect adulterated milk and better understand the quality and safety of small ruminant milk before processing.
在小规模养殖场中,经济高效的方法对于评估牛奶的物理化学性质、识别潜在的临床或亚临床乳腺炎以及检测小型反刍动物的β-内酰胺类药物至关重要。目的是评估物理化学特性、体细胞和抗菌物质作为监测绵羊和山羊大罐牛奶质量和安全性因素的重要性。此外,我们旨在阐明放牧能力对羊奶成分的影响。发现绵羊奶(n = 119)的脂肪含量为7.7%,范围为5.3%至9.9%。奶山羊(n = 33)的平均脂肪含量为4.9%,范围为2.8 - 6.7%。结果表明,使用加利福尼亚乳腺炎检测法评估时,2.8%的绵羊奶样本和7.8%的山羊奶样本呈现明显阳性反应。使用侧流试纸条检测时,0.7%的绵羊奶样本中存在β-内酰胺类抗生素,但山羊奶样本中均未检测到。这种测量方法有助于检测掺假牛奶,并在加工前更好地了解小型反刍动物奶的质量和安全性。