Somatic cell counts,chemical composition and coagulation properties of goat and sheep bulk tank milk |
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| Affiliation: | 1. National Mastitis Center, Kimron Veterinary Institute, P.O. Box 12, Bet Dagan 50250, Israel;2. Israel Cattle Breeders Association, Caesarea 38900, Israel;3. Ruppin Academic Center, Emek Hefer, Israel;4. Afimilk, Afikim 15148, Israel;2. Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy;2. School of Food and Nutritional Sciences, University College, Cork, Ireland;1. Biology of Lactation Laboratory, Institute of Animal Science, A.R.O., The Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel;2. Department of Food Science, Institute of Technology and Storage of Agricultural Products, A.R.O., The Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel;3. National Mastitis Reference Center, Kimron Veterinary Institute, P.O. Box 12, Bet Dagan 50250, Israel;2. Asociación de Ganaderos de Caprino de Raza Murciano–Granadina de la Comunidad Valenciana (AMURVAL), Calle Santísima Trinidad 1, 46460 Silla, Valencia, Spain;3. Center for Animal Disease Modeling and Surveillance, Department of Medicine and Epidemiology, University of California, Davis 95616;4. Institut de Ciència i Tecnologia Animal – UPV, Camí de Vera s/n, 46020 València, Spain |
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| Abstract: | This study focused on the need for bulk milk tank somatic cell count (BMTSCC) thresholds and cut-off levels indicating a decrease in milk quality that consequently influences product quantity and quality. First, 226 ewes and 231 goat bulk tank milk samples were collected from different Israeli herds and coagulation properties were determined. Second, soft cheese was produced. No correlation of coagulation properties was found with BMTSCC for sheep milk up to 3264 × 103 and goat milk up to 6452 × 103 cells mL−1. Coagulation properties of goat milk with cell count higher than the latter resulted in a significant decrease in curd firmness. For breeds and management system in Israel, 2500 × 103 cells mL−1 is suggested as the cut-off level for sheep and 3500 × 103 cell mL−1 for goats. The cell count cut-off level and milk price according to BMTSCC should be tested and then determined for every breed and management and final dairy product. |
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