Journal articles: 'Organic dairy'

1

Measures, Mark. "Organic dairy farming." International Journal of Dairy Technology 44, no. 2 (May 1991): 54–56. http://dx.doi.org/10.1111/j.1471-0307.1991.tb00635.x.

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Singh, Singh, S. P, Ghosh Ghosh, S. S, Lakhani Lakhani, G. P, Jain Jain, et al. "Organic Dairy Farming: A Novel Approach in Dairy Sector." International Journal of Livestock Research 4, no. 6 (2014): 10. http://dx.doi.org/10.5455/ijlr.20140904091322.

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Rosati, A., and A. Aumaitre. "Organic dairy farming in Europe." Livestock Production Science 90, no. 1 (October 2004): 41–51. http://dx.doi.org/10.1016/j.livprodsci.2004.07.005.

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Nicholas, P. K., S. Padel, S. P. Cuttle, S. M. Fowler, M. Hovi, N. H. Lampkin, and R. F. Weller. "Organic Dairy Production: A Review." Biological Agriculture & Horticulture 22, no. 3 (January 2004): 217–49. http://dx.doi.org/10.1080/01448765.2004.9755287.

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Oudshoorn, Frank W., Reint Jan Renes, and Imke J. M. De Boer. "Systems In Organic Dairy Production." Journal of Agricultural and Environmental Ethics 21, no. 3 (December 20, 2007): 205–28. http://dx.doi.org/10.1007/s10806-007-9082-5.

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Cukur, Tayfun. "Conventional Dairy Farmers Converting to Organic Dairy Production in Turkey." Polish Journal of Environmental Studies 24 (2015): 1543–51. http://dx.doi.org/10.15244/pjoes/41534.

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Rinne, Marketta, Catalin Dragomir, Kaisa Kuoppala, Jo Smith, and David Yáñez-Ruiz. "Novel feeds for organic dairy chains." Organic Agriculture 4, no. 4 (October 22, 2014): 275–84. http://dx.doi.org/10.1007/s13165-014-0081-3.

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Villar, Ana, and Marta López-Alonso. "Udder health in organic dairy cattle in Northern Spain." Spanish Journal of Agricultural Research 13, no. 3 (August 28, 2015): e0503. http://dx.doi.org/10.5424/sjar/2015133-6610.

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This paper presents first data on the udder health status of organic dairy farms in Northern Spain and analyses some management and productive characteristics related to milk production comparing with the conventional sector. Five certified organic farms from the Cantabrian Region were monitored monthly from February 2006 to January 2008 and individual samples of all lactating cows were taken from parturition to the end of lactation. Although organic farms in our study showed a great individual variability, overall these were small (<50 lactating cows) traditional farms, with a high degree of pasture (66-82% dry matter intake) and a milk production (average milk yield: 5950 L) 23% lower compared with the reference conventional sector (<50 cow farms). The organic farms had higher (p<0.05) average number of calves per cow (3.93) and a lower number of first-lactation cows (16.9%) than the comparable conventional farms (2.47 calves per cow and 33.1% first-lactation cows). Organic farms showed higher (p<0.05) somatic cell counts (SCC) than the reference conventional farms (mean log10±SD for all cows: 5.25±0.49 and 5.06±0.59, respectively). Detailed analysis of the SCC depending on the number of lactation and % of monthly SCC tests with linear scores indicative of udder infection suggest that while the heifers’ sanitary condition at the beginning of their productive cycle was similar in both types of farms, this seems to become worse along the productive cycle in the organics. This could be related to a low use of antibiotics for prophylaxis and treatment of udder infections and merits further investigation.

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Revilla, I., M. A Lurueña-Martínez, M. A Blanco-Lopez, J. Viñuela-Serrano, A. M Vivar-Quintana, and C. Palacios. "Changes in Ewe’s Milk Composition in Organic versus Conventional Dairy Farms." Czech Journal of Food Sciences 27, Special Issue 1 (June 24, 2009): S263—S266. http://dx.doi.org/10.17221/941-cjfs.

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The aim of this work was to determine the effect of organic production system on ewe’s milk quality. Bulk tank ewe’s milk from flocks of two production systems (organic and conventional) all of them from the same geographical area (Zamora, Spain) were used to investigate changes in physico-chemical properties including the composition in fatty acids. The metal contents (Fe, Cu, Zn, Mn, Se, Mo, Ba, As, Hg, Pb) and the presence of antibiotics and pesticides in the meat were also studied. The type of production system was seen to elicit a significant effect on pH, total acidity and on the fatty acid composition. Organic milk showed significantly higher values of mono- and polyunsaturated fatty acids, including CLA, while saturated fatty acids decreased. No residues of pesticides or antibiotics were found in any of the samples and regarding metal contents only Fe, Cu and Zn were detected and no differences were observed in their contents.

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Weller, R. F., and A. Cooper. "Health status of dairy herds converting from conventional to organic dairy farming." Veterinary Record 139, no. 6 (August 10, 1996): 141–42. http://dx.doi.org/10.1136/vr.139.6.141.

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11

Roberts, C. J., D. H. Lynch, R. P. Voroney, R. C. Martin, and S. D. Juurlink. "Nutrient budgets of Ontario organic dairy farms." Canadian Journal of Soil Science 88, no. 1 (February 1, 2008): 107–13. http://dx.doi.org/10.4141/s06-056.

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The sustainability of organic dairying in Canada, with respect to nutrients, remains unexamined. To assess how management affects nutrient status, we documented whole farm nutrient (NPK) budgets over 2 yr (2003 to 2005) and soil (0 to 15 cm) P and K status on 15 long-term Ontario organic dairy farms. Farm size, livestock density and herd productivity averaged 110 ha, 1.00 livestock units ha-1 and 5656 kg milk cow-1 yr-1, respectively. Annual farm nutrient surpluses of 75 (N), 1 (P) and 11 (K) kg ha-1 yr-1 were lower than those reported for confinement-based dairy farms in the United States, pointing to possible environmental benefits from reduced off farm impacts on air and water quality. Weighted average soil test P levels were low (< 10 mg kg-1) on approximately 50% of farms, while exchangeable K levels were moderate to high (76 to 160 mg kg-1) on all farms. Four farms adopting a "self-sufficient" approach, producing most feed on-farm, imported little P as feed (1.37 to 1.90 kg P ha-1 yr-1) and had negative average farm P balances (avg. -1.54 kg P ha-1 yr-1). An integrated nutrient management approach, along with a flexible feed import strategy, fosters the sustainability of organic dairying systems. Key words: Organic dairying, nutrient budget, nitrogen, potassium, phosphorus, soil fertility

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12

Sholubi, Yetunde O., D. Peter Stonehouse, and E. Ann Clark. "Profile of organic dairy farming in Ontario." American Journal of Alternative Agriculture 12, no. 3 (September 1997): 133–39. http://dx.doi.org/10.1017/s0889189300007414.

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AbstractEight dairy farms located in western Ontario were surveyed as part of an ongoing comparative economic study. The sampled farms had been using organic methods for an average of 5.5 y ears and, therefore, were beyond the “transition” stage. Diversified cropping systems were characteristic of these farms, with most crop products (grain and straw) being used directly by the farms' livestock enterprises. Crop rotations were complex, and generally involved sequences of forages and small grains into which cover crops such as oilseed radish and red clover were integrated. Weed control, year-round soil cover, and production of feed and bedding all contributed to the design of cropping systems. Both solid and liquid manures were composted before application. No feed additives or growth hormones were used, but homeopathic remedies, probiotics, and antibiotics were commonly used. The high cost of synthetic fertilizer and concern for the environment were the main reasons given by the f armers f or adopting organic methods.

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Vallone, L., D. Boscariol, and I. Dragoni. "Aflatoxins in Organic Milk and Dairy Products." Veterinary Research Communications 30, S1 (August 2006): 369–70. http://dx.doi.org/10.1007/s11259-006-0083-z.

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14

Vaarst, Mette, and Torben W. Bennedsgaard. "Reduced Medication in Organic Farming with Emphasis on Organic Dairy Production." Acta Veterinaria Scandinavica 43, Suppl 1 (2002): S51. http://dx.doi.org/10.1186/1751-0147-43-s1-s51.

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Azorín, Irene, Josefa Madrid, Silvia Martínez, Marina López, María Belén López, Miguel José López, and Fuensanta Hernández. "Can Moderate Levels of Organic Selenium in Dairy Cow Feed Naturally Enrich Dairy Products?" Animals 10, no. 12 (December 1, 2020): 2269. http://dx.doi.org/10.3390/ani10122269.

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This work studied the effect of dairy cow ration supplementation with inorganic plus organic Se on metabolic status, milk yield, and the quality of milk and dairy products, especially its Se content. Twenty multiparous Holstein Friesian lactating cows were assigned to two feeding treatments. The cows were fed with 22.5 kg dry matter (DM) of total mixed ration (11.75 kg DM of forage plus 10.75 kg DM of concentrate) by head. There were two different concentrates with the same Se content (0.240 mg/kg of ration DM) but with different Se sources: The control (CON) was supplemented with inorganic Se (sodium selenite); and the other (IOSe) was supplemented with sodium selenite plus organic Se (Sel-Plex®), at 0.144 and 0.096 mg Se/kg of ration DM, respectively. The results indicated that, in general, the IOSe treatment did not modify the metabolic profile, and even decreased the total oxidant status (p < 0.05) and did not lead to a deterioration of quality and yield of milk. However, milk and cheese from IOSe had higher Se content (an increase of 29.7% and 38.2%, respectively) than CON (p < 0.01), but this effect was not observed in yogurt. In general, physical or sensorial parameters of cheeses did not show differences between treatments. Moderate inorganic plus organic Se supplementation may be more effective than inorganic Se, increasing the Se content in milk and cheese, without causing a deterioration in quality or productive parameters.

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Ubrežiová, Iveta, Tatiana Kráľová, and Jana Kozáková. "Factors influencing interest of Slovak consumers' in organic dairy products." Potravinarstvo Slovak Journal of Food Sciences 13, no. 1 (June 28, 2019): 538–46. http://dx.doi.org/10.5219/1137.

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The aim of the article is to analyse the dependency of selected factors (age category, level of income and gender) on consumers' willingness to buy organic dairy products. The primary research based on the electronic interview survey carried out on the sample of 203 Slovak respondents of all ages, in different social situations and with different views on the issue. The questionnaire consisted of seven sorting questions and six questions addressed consumers' perception of organic dairy products and the reasons for their purchase or rejection. For evaluation the Chi square test of square contingency was used. Results were sorted into tree parts. The aim of the firts part of research was to find out whether there is a dependency between the age category of the respondents and whether they are buying organic dairy products. Results showed that the age category of the respondents and purchase of organic dairy products are independent. The second part of the research based on the examination of the dependency between the level of income of the respondents and their willingness to pay for organic products. In this case we confirmed the dependency between the customers' average income per month and their willingness to pay for organic dairy products. Last but not least, the dependency between the reasons that would discourage consumers from buying organic dairy products and their gender was examined. The results of analysis clearly showed that these two variables are independent. Despite generally persisted opinions that food of daily consumption in bio quality (organic) is mainly bought by women of specific age categories (joung independent woman after graduation, mothers on maternity leave) we can confirm just the significance of the impact of customers' average income per month on their willingness to pay for these high quality and therefore expensive products.

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17

Kuksis, Arnis, and J. Bezard. "Dairy lipids." Journal of the American Oil Chemists' Society 70, no. 12 (December 1993): 1159. http://dx.doi.org/10.1007/bf02564220.

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18

Skulskis, Virgilijus, Vilija Girgždienė, and Deiva Mikelionytė. "Performance evaluation results of the organic dairy cooperative." Management Theory and Studies for Rural Business and Infrastructure Development 36, no. 2 (June 11, 2014): 407–15. http://dx.doi.org/10.15544/mts.2014.037.

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The Lithuanian dairy sector is dominated by small and medium-sized milk producers. Cooperation is one of the means that could improve conditions and results of their activity. The purpose of the paper is to analyse the opinion of members of organic dairy cooperative on its performance and to propose recommendations for the development of organic cooperatives. A questionnairebased survey shows that the respondents positively evaluate cooperative performance, and the prestige of the cooperative is very important to all members. Investments and financial stability of the cooperative are important factors for the successful development of organic production. A significant share of the respondents would prefer a broader range of services provided by the cooperative.

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19

Tosun, H., and T. Ayyıldız. "Occurrence of aflatoxin M1 in organic dairy products." Quality Assurance and Safety of Crops & Foods 5, no. 3 (September 2013): 215–19. http://dx.doi.org/10.3920/qas2012.0147.

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20

LAMANDÉ, M., J. ERIKSEN, P. H. KROGH, and O. H. JACOBSEN. "Water flow in soil from organic dairy rotations." Journal of Agricultural Science 155, no. 7 (February 22, 2017): 1113–23. http://dx.doi.org/10.1017/s0021859617000089.

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SUMMARYManaged grasslands are characterized by rotations of leys and arable crops. The regime of water flow evolves during the leys because of earthworm and root activity, climate and agricultural practices (fertilizer, cutting and cattle trampling). The effects of duration of the leys, cattle trampling and fertilizer practice on the movement of water through sandy loam soil profiles were investigated in managed grassland of a dairy operation. Experiments using tracer chemicals were performed, with or without cattle slurry application, with cutting or grazing, in the 1st and the 3rd year of ley, and in winter rye. Each plot was irrigated for an hour with 18·5 mm of water containing a conservative tracer, potassium bromide; 24 h after irrigation, macropores >1 mm were recorded visually on a horizontal plan of 0·7 m2 at five depths (10, 30, 40, 70 and 100 cm). The bromide (Br−) concentration in soil was also analysed at these depths and the density of the different earthworm species were recorded. The density of macropores was not directly influenced by the factors investigated. The abundance of anecic earthworms was larger after 3 years of ley and was not affected by grazing (trampling or dung pat deposits) or fertilizer practice. The water infiltration estimated from the Br− concentration was not influenced by fertilizer practice and was reduced after 3 years of ley due to settlement, but was greater than that for the arable phase of the rotation. As shown by Br− concentration, preferential flow was induced by the grazing regime. Infiltrating water may bypass the soil matrix under similar or more extreme conditions than in the current experiment. Such hydraulic functioning in the grazing regime is expected to reduce the risk of leaching of nitrate contained in soil water.

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21

Krogh, M. A., C. L. Nielsen, and J. T. Sørensen. "Antimicrobial use in organic and conventional dairy herds." Animal 14, no. 10 (2020): 2187–93. http://dx.doi.org/10.1017/s1751731120000920.

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Orjales, I., M. Mezo, M. Miranda, M. González-Warleta, F. Rey-Crespo, M. Vaarst, S. Thamsborg, F. J. Diéguez, J. A. Castro-Hermida, and M. López-Alonso. "Helminth infections on organic dairy farms in Spain." Veterinary Parasitology 243 (August 2017): 115–18. http://dx.doi.org/10.1016/j.vetpar.2017.06.031.

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Harder, B., W. Junge, J. Bennewitz, and E. Kalm. "Investigations on breeding plans for organic dairy cattle." Archives Animal Breeding 47, no. 2 (October 10, 2004): 129–39. http://dx.doi.org/10.5194/aab-47-129-2004.

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Abstract. facilities in Germany, different alternative breeding plans for organic cattle breeding were developed using the computer program ZPLAN. First the impact of the population size on the parameters of success was analysed. A conventional cattle breeding program was compared with an organic breeding program. The results indicate that the selection response increased with increasing population size due to improved selection of bull sires. The EU Regulations on organic farming say that the proportion of artificial insemination has to be reduced as much as possible. According to this, the influence of different proportions of artificial insemination on the monetary genetic gain was investigated. The reduction of artificial insemination below 50% led to high losses in the discounted profit. The influence of higher economic weights for functional traits on the natural selection response was investigated. An increase of the economic weights by 50% led to tolerable decreases in the natural selection response of production traits with regard to a more ecological orientated breeding goal. The effect of the variation of the test capacity and the number of test bulls on the monetary genetic gain was analysed. The optimum for the monetary genetic gain was located at a test capacity of 50%, 30 test bulls and 99 daughters per test bull.

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Weller, R. F., and P. J. Bowling. "Health status of dairy herds in organic farming." Veterinary Record 146, no. 3 (January 15, 2000): 80–81. http://dx.doi.org/10.1136/vr.146.3.80.

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Kullman, G. J., P. S. Thorne, P. F. Waldron, J. J. Marx, B. Ault, D. M. Lewis, P. D. Siegel, S. A. Olenchock, and J. A. Merchant. "Organic Dust Exposures from Work in Dairy Barns." American Industrial Hygiene Association Journal 59, no. 6 (June 1998): 403–13. http://dx.doi.org/10.1080/15428119891010668.

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O'SULLIVAN, ANTHONY. "SDT Spring Symposium: Organic milk and dairy products." International Journal of Dairy Technology 53, no. 1 (February 2000): 20–27. http://dx.doi.org/10.1111/j.1471-0307.2000.tb02651.x.

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Horn, M., W. Knaus, L. Kirner, and A. Steinwidder. "Economic evaluation of longevity in organic dairy cows." Organic Agriculture 2, no. 2 (June 2012): 127–43. http://dx.doi.org/10.1007/s13165-012-0027-6.

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Flaten, O., and G. Lien. "Stochastic utility-efficient programming of organic dairy farms." European Journal of Operational Research 181, no. 3 (September 2007): 1574–83. http://dx.doi.org/10.1016/j.ejor.2005.11.053.

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Maggs, L. S., S. Athanasiadou, L. Sherwood, and M. J. Haskell. "Levels of parasitism on organic and non-organic dairy farms in Scotland." Veterinary Record 162, no. 11 (March 15, 2008): 345–46. http://dx.doi.org/10.1136/vr.162.11.345.

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Roche, Erin H., Ellen B. Mallory, Thomas Molloy, and Richard J. Kersbergen. "Evaluating organic bread wheat as a rotation crop for organic dairy farms." Renewable Agriculture and Food Systems 33, no. 2 (February 20, 2017): 163–78. http://dx.doi.org/10.1017/s1742170517000035.

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AbstractThe rising demand for local, organic bread wheat (Triticum aestivum L.) in the northeastern USA may be an economic and agronomic opportunity for organic dairy producers. Bread wheat must produce adequate grain yields and crude protein (CP) levels to be profitable as a food crop and must complement the on-farm production of high-quality dairy feed. A field study evaluated bread wheat and perennial forage performance in five 3-year crop sequences all ending in a perennial legume/grass forage. The sequences differed by wheat type (winter or spring) and the crop prior to wheat: (1) corn silage (Zea mays L.), (2) soybean (Glycine max L.) or (3) one-year-old perennial forage. Wheat sequences were compared with a sequence of two years of corn silage followed by a new perennial forage seeding and with a continuous perennial forage control. Winter wheat spike density, wheat aboveground biomass and nitrogen uptake were always greater than spring wheat. Wheat grain yield and CP were strongly affected by wheat type, with winter wheat having greater yield but lower CP than spring wheat. At one site-year, winter wheat CP was 15 g kg−1 higher following perennial forage than following corn. Only spring wheat met the bread flour industry standard for CP. Newly established perennial forage following wheat had higher yields and legume composition in both years, along with higher projected milk yields in one year, than the continuous perennial forage. Three-year net revenue based on off-farm sales were on average US$ 741 ha−1 higher for sequences with winter wheat than those with spring wheat, and were equal to the perennial forage control. Rotations that included wheat would likely be more competitive if straw were sold or used on the farm, or, if topdressing practices or varietal choice were used to increase grain protein levels of winter wheat.

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31

Ruegg, P. L. "Management of mastitis on organic and conventional dairy farms1." Journal of Animal Science 87, suppl_13 (April 1, 2009): 43–55. http://dx.doi.org/10.2527/jas.2008-1217.

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Orjales, Inmaculada, Marta López-Alonso, Ruth Rodríguez-Bermúdez, Francisco Rey-Crespo, Ana Villar, and Marta Miranda. "Use of homeopathy in organic dairy farming in Spain." Homeopathy 105, no. 1 (February 2016): 102–8. http://dx.doi.org/10.1016/j.homp.2015.08.005.

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Soder, K. J., B. J. Heins, H. Chester-Jones, A. N. Hafla, and M. D. Rubano. "Evaluation of fodder production systems for organic dairy farms." Professional Animal Scientist 34, no. 1 (February 2018): 75–83. http://dx.doi.org/10.15232/pas.2017-01676.

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Ogini, Yetunde O., D. Peter Storehouse, and E. Ann Clark. "Comparison of organic and conventional dairy farms in Ontario." American Journal of Alternative Agriculture 14, no. 3 (September 1999): 122–28. http://dx.doi.org/10.1017/s0889189300008237.

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AbstractThe scale of operation and economic performance of organic and conventional dairy farms were compared in Ontario in 1992. Eight certified organic (ORG) farms, comprising 40% of all organic dairy farms, were contrasted with a sample of 120 conventional farms (1.5% of the provincial total) identified under the auspices of the Ontario Dairy Farm Accounting Project (ODFAP). The ODFAP sample was stratified by geographic region in Ontario, then randomly selected within each region. Neither ORG nor ODFAP farm samples contained any hobby or part-time farmers. Scale of operation was comparable on the two types of dairies, with the ratio of ORG to ODFAP being 122% for tillable landbase (ns) and 107% for herd size (ns). Similarly, milk production was comparable from ORG and ODFAP dairies (5,882 and 5,865 liters/cow, respectively; ns). Data on farmer personal characteristics such as age, education level, and management skills were not collected. It was presumed that managerial capabilities were equal between ORG and ODFAP farm samples.It was hypothesized that total revenue and total cost of production would be greater on ODFAP farms, while net farm income would be higher on ORG than on ODFAP farms. Although the ratio for ORG to ODFAP performance was 93% for total revenue and 77% for total cost of production, neither of these differences was statistically significant. However, ORG dairies yielded 60% more net farm income than ODFAP dairies ($59,718 vs. $37,557; significant at the 5% level). Within the constraints of the supply management marketing system operating in a northern temperate region, ORG approaches to dairy production were shown to be as productive and at least as profitable as those on ODFAP farms, despite reliance on lesser yielding crops and more holistic (less resource-intensive) production methods.

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McBride, William D., and Catherine Greene. "Costs of Organic Milk Production on U.S. Dairy Farms." Review of Agricultural Economics 31, no. 4 (December 2009): 793–813. http://dx.doi.org/10.1111/j.1467-9353.2009.01467.x.

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Stonehouse, D. Peter, E. Ann Clark, and Yetunde A. Ogini. "Organic and Conventional Dairy Farm Comparisons in Ontario, Canada." Biological Agriculture & Horticulture 19, no. 2 (January 2001): 115–25. http://dx.doi.org/10.1080/01448765.2001.9754916.

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Orjales, I., C. Herrero-Latorre, M. Miranda, F. Rey-Crespo, R. Rodríguez-Bermúdez, and M. López-Alonso. "Evaluation of trace element status of organic dairy cattle." Animal 12, no. 6 (2018): 1296–305. http://dx.doi.org/10.1017/s1751731117002890.

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Rutherford, K. M. D., F. M. Langford, M. C. Jack, L. Sherwood, A. B. Lawrence, and M. J. Haskell. "Organic dairy cow management and indicators of energy balance." Veterinary Record 165, no. 5 (August 1, 2009): 147–48. http://dx.doi.org/10.1136/vr.165.5.147.

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Hegazi, F. Z., and I. G. Abo-Elnaga. "Dissimilation of organic acids by dairy lactic acid bacteria." Food / Nahrung 34, no. 9 (1990): 791–801. http://dx.doi.org/10.1002/food.19900340905.

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Malmberg, Per. "Health effects of organic dust exposure in dairy farmers." American Journal of Industrial Medicine 17, no. 1 (1990): 7–15. http://dx.doi.org/10.1002/ajim.4700170104.

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Rodríguez‐Bermúdez, Ruth, Marta Miranda, Ramiro Fouz, Inmaculada Orjales, Francisco Javier Diéguez, Antonio Humberto Hamad Minervino, and Marta López‐Alonso. "Breed performance in organic dairy farming in Northern Spain." Reproduction in Domestic Animals 55, no. 1 (December 10, 2019): 93–104. http://dx.doi.org/10.1111/rda.13595.

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Hayton, Alastair. "Organic dairy farming 2. Management and control of disease." In Practice 34, no. 8 (September 2012): 446–53. http://dx.doi.org/10.1136/inp.e5742.

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Trachsel, P., A. Busato, and J. W. Blum. "Body conditions scores of dairy cattle in organic farms." Journal of Animal Physiology and Animal Nutrition 84, no. 3-4 (December 2000): 112–24. http://dx.doi.org/10.1046/j.1439-0396.2000.00289.x.

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44

Campbell, D. "The role of organic agriculture in the dairy industry." International Journal of Dairy Technology 41, no. 4 (November 1988): 108–9. http://dx.doi.org/10.1111/j.1471-0307.1988.tb00613.x.

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Lind, Helena, Hans Jonsson, and Johan Schnürer. "Antifungal effect of dairy propionibacteria—contribution of organic acids." International Journal of Food Microbiology 98, no. 2 (February 2005): 157–65. http://dx.doi.org/10.1016/j.ijfoodmicro.2004.05.020.

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46

Perrin, Augustine, Magali San Cristobal, Rebecka Milestad, and Guillaume Martin. "Identification of resilience factors of organic dairy cattle farms." Agricultural Systems 183 (August 2020): 102875. http://dx.doi.org/10.1016/j.agsy.2020.102875.

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Ortega, Octavio A. Castelan, and Manuel González Ronquillo. "Effects of crossbreeding on milk production and composition in dairy sheep under organic management." Animal Production Science 54, no. 10 (2014): 1641. http://dx.doi.org/10.1071/an14214.

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The crossbreeding of local sheep breeds with dairy breeds is an option to improve dairy production parameters in organic sheep dairy systems. Weekly milk yield (WMY) was recorded and individual samples of milk for chemical analysis were taken during 17 weeks from 45 dairy ewes of the following three genotypes: 15 East Friesian (EF), 15 EF × Suffolk (EF × SF) and 15 EF × Pelibuey (EF × PL) under organic management. For analysis of the lactation curve the Wood gamma model was used. The effect of genotype on the WMY was analysed using repeated-measures. The comparison of the least square means among genotypes for total milk yield (TMY), daily milk yield, protein content, protein yield, fat content, fat yield, non-fat solids concentration, non-fat solids yield, total solids yield and acidity was analysed using a general linear model. The genetic group influenced only in the ascent phase of the lactation curve, with values of the Parameter b of model Wood higher in EF (P = 0.01). There were no differences (P > 0.05) between genotypes in relation to the WMY, TMY, protein content and acidity; however, the effects of week of lactation trial and the interaction of genotype and week of lactation trial on WMY were significant (P < 0.05). The values of daily milk yield, fat yield, protein yield and total solids yield were higher (P < 0.005) in EF and EF × SF than EF × PL. Fat content was higher in EF × PL. EF × SF had similar values of TMY than EF and better chemical composition, which places this genotype as an option of crossbreeding in dairy sheep systems under organic management with similar agro climatic characteristics to the present study.

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Rodríguez-Bermúdez, Ruth, Marta Miranda, Javier Baudracco, Ramiro Fouz, Victor Pereira, and Marta López-Alonso. "Breeding for organic dairy farming: what types of cows are needed?" Journal of Dairy Research 86, no. 1 (February 2019): 3–12. http://dx.doi.org/10.1017/s0022029919000141.

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AbstractOrganic farming is believed by many to be an environmentally friendly production system that promotes the use of local forage while strongly limiting the input of chemicals, including allopathic treatments. As organic dairy farming has grown, farmers have realised that many available conventional breeds of cow are not well adapted to the new situations and that more ‘robust’ cows, able to function well in the constraining organic environment, are needed to yield acceptable longevity and productivity. In this review paper, the current breed diversity in organic dairy farming is analysed with the aim of identifying the types of cow that would best fulfil organic breeding goals. Unlike the conventional sector, organic dairy farming is very heterogeneous and no single type of cow can adapt well to all scenarios. There are advantages and disadvantages to the use of existing breeds (rustic Holstein-Friesian, other rustic breeds and crosses), and strong genotype × environment interactions demand different strategies for very diverse situations. Organic dairy farms producing milk for systems that recompense milk volume would benefit from using higher milk yielding cows, and rustic Holstein-Friesian cows may be the best option in such cases. Although most Holstein-Friesian cows are currently selected for use in conventional systems, this situation could be reversed by the implementation of an organic merit index that includes organic breeding goals. Farms producing milk either for systems that recompense milk solids or for transformation into dairy products would benefit from using breeds other than Holstein-Friesian or their crosses. Organic farmers who focus on rural tourism, farm schools or other businesses in which marketing strategies must be taken into account could benefit from using local breeds (when possible) or other rustic breeds that are highly valued by consumers.

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SAUCIER, OLIVIA R., ROBERT L. PARSONS, and SHOSHANAH INWOOD. "Redefining the Farmer-Processor Relationship: The Story of Organic Cow." Enterprise & Society 17, no. 2 (March 15, 2016): 358–92. http://dx.doi.org/10.1017/eso.2015.85.

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This article examines, from the viewpoint of a core group of Vermont milk producers, the period in the mid-1990s when organic dairy became mainstream. We look at the rise and subsequent takeover of one of the first organic milk-processing companies, The Organic Cow of Vermont, through the eyes of the farmers involved. In so doing, we provide needed perspective on the role of food producers working in industries subject to growth and consolidation. As producers of a commodity that grew out of the conventional system, organic dairy farmers faced unique choices that set them apart from other organic producers at that time. We demonstrate that the market for organic milk and dairy provided the opportunity for a new kind of farmer-processor relationship in which producers were supported through stable pay-prices and an intimate business relationship with processors. This article challenges the idea that the organic dairy industry was built by corporations trying to profit from booming consumer demand for organic foods and offers important contributions to debates surrounding the growth and conventionalization of organic food systems.

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Doherr, M. G., M. Roesch, W. Schaeren, M. Schallibaum, and J. W. Blum. "Risk factors associated with subclinical mastitis in dairy cows on Swiss organic and conventional production system farms." Veterinární Medicína 52, No. 11 (January 7, 2008): 487–95. http://dx.doi.org/10.17221/2060-vetmed.

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Epidemiological studies comparing risk factors for subclinical mastitis (SM) in organic (OP) and conventional dairy production systems (CP) are lacking. In 60 OP and 60 CP farms, 970 cows were used to study risk factors for SM at 31 days postpartum. Cows showing a positive (≥ 1+) California Mastitis Test (CMT) in at least one quarter, but without clinical symptoms, were classified SM-positive. For OP cows increased (P < 0.05) odds ratios (OR) for SM were found for other than Simmental and Simmental × Red Holstein breeds, for increasing number (> 27) of cattle on the farm, for the use of mineral feed supplements, for irregular milking intervals (< 12 and > 12 h/day), and for milk urea concentrations of 210.1–270 mg/dl, whereas decreased OR for SM were recorded for cows kept in barns on beddings other than on rubber mats or concrete, for farms with rinsing water temperatures of milking systems between 54.75 and 60°C, for milk lactose > 50.5 g/l, and for blood albumin levels of ł 38.5 g/l. For cows on CP farms, increased (P < 0.05) OR for SM were found for other than Simmental ´ Red Holstein and Simmental breeds, for a bedding area width of > 117 cm, and for antibiotic mastitis treatment since the last dry period, whereas reduced (P < 0.05) OR for SM were found for farms with a moderate (in contrast to good) hygiene status and for routine application of antibiotics during the dry period. Observed differences between OP and CP were assumed to be partially related to system-specific management, such as antibiotic dry cow therapy, nutrition and milking routine.

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Journal articles on the topic 'Organic dairy'

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