Recycling of olive oil by-products: Possibilities of utilization in animal nutrition

Alcaide, Eduarda Molina; Nefzaoui, A.

doi:10.1016/s0964-8305(96)00055-8

Cited by 79 publications

(38 citation statements)

References 11 publications

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“…This will require the guidance of technical advisors [66], as the current socio-economic status of the region limits pasture and forage resource improvement due to insufficient technical support and the vulnerability to drought [40]. The use of alternative feed resources in goat production has been reviewed in detail [37,52,66,[73][74][75][76] and potential strategies include: by-products from olive production [77,78] which has been promoted under the "plan Maroc vert" agricultural strategy [79]; salt-tolerant shrubs such as saltbush; cactus; ensiling technologies; and feed-blocks of local agro-industrial by-products. Although addition of polyethylene glycol, activated charcoal or calcium hydroxide to the diet can improve rangeland utilisation and goat performance, it can also increase rangeland degradation [76] so should be used with care.…”

Section: Future Outlookmentioning

confidence: 99%

Intensification of Mediterranean Goat Production Systems: A Case Study in Northern Morocco

et al. 2016

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Goats are important contributors to both food and financial security of the resource poor, particularly in marginal environments such as those in the Mediterranean region. To fully understand the feasibility and potential consequences of any intensification or husbandry changes that could contribute to higher outputs, it is important to have a thorough prior understanding of the functional dynamics of these systems. Here the current performance of ten goat holdings in the northern region of Morocco, classified as either commercial milk producers, commercial cheese producers or non-commercial dairy producers, was recorded, based on the Food and Agricultural Organisation and International Centre for Advanced Mediterranean Agronomic Studies (FAO-CIHEAM) technical and economic indicators, to assess whether intensification of dairy production was financially viable. Fecundity and prolificacy rates were comparatively lower than those achieved by many European Mediterranean herds. Both kid and doe mortality were higher on commercial dairy holdings, where dairy sales provided an additional, rather than alternative, source of income to goat sales. Despite this, due to significantly higher expenditure on supplementary feed, gross margin per doe did not differ significantly between holding types. With the exception of indigenous Greek herds, all European Mediterranean herds outperform those of northern Morocco. The study suggests that a low level of supplementary feeding is constraining goat dairy production in northern Morocco, and that the current high cost and limited availability of additional supplementary feed restricts the financial viability of intensification. Alternative feeding strategies within a participatory approach that might ameliorate these problems, and value chain constraints, are discussed.

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Section: Future Outlookmentioning

confidence: 99%

Intensification of Mediterranean Goat Production Systems: A Case Study in Northern Morocco

et al. 2016

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“…Bu durum özellikle ikincil bileşik içerikleri yüksek ve belli muamelelerden geçerek üretilen sanayi yan ürünlerinde çok daha önemlidir. Nitekim Sansoucy (1985) Nefzaoui, 1996). Bu nedenle tüketimle alakalı oluşabilecek sorunların daha çok ligno-selülotik olabileceğini söylemek daha doğru olacaktır.…”

Section: Zeytin Posasının Besleme Değeriunclassified

Zeytin Posasının Ruminantlar İçin Besin ve Besleme Değeri

Keleş

2015

Turkish JAF Sci.Tech.

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Bu çalışmada zeytin posasının (ZP) besin ve besleme değerini etkileyen faktörler incelenmiş ve posanın ruminant beslemede kullanımına yönelik bazı öneriler getirilmiştir. Genel olarak birçok faktörce etkilense de ham ZP'nin ruminantların yaşama payı besin madde ihtiyaçlarını karşılayabilecek besin değerine sahip olduğu değerlendirilmektedir. Ancak ZP'nin muhafazası için yapılacak maliyetler (kurutma, silolama, nakliye gibi) göz önünde bulundurulduğunda, posanın çekirdeklerinden elendikten sonra kullanımının daha ekonomik olacağı değerlendirilmektedir. Çekirdeklerinden eleme ile ZP'nin ham protein, ham yağ, NDF, lignin ve lif olmayan karbonhidrat içeriğinin sırasıyla, 75 (56-93), 126 (68-184), 571 (443-700), 222 (174-269) ve 141 (55-227) g/kg kuru madde (KM) olduğu belirlenmiştir. Bu değerler elenmiş ZP'nin (EZP) önemli bir yem kaynağı olduğunu ortaya koymaktadır. Ayrıca kaliteli ve yüksek yağ içeriği, ZP'yi diğer yem kaynaklarından ayıran önemli bir özellik olarak ortaya çıkmakta ve posayı özel bir yem kaynağına dönüştürmektedir. Ayrıca 2 fazlı sistemlerden üretilen EZP'nin içerdiği antioksidan etkili fenolik bileşiklerde besin değerini artırmaktadır. Elenmiş ZP'de yüksek lif içerse de alkali özellikte katkı maddeleri ile rumen parçalanabilirlik ve in-vivo sindirilebilirlik değerleri büyük ölçüde yükselmektedir. Bu nedenle katkı maddeleri ile muameleye olanak sağladığı için EZP'nin kurutma yerine silolanarak değerlendirilmesi daha avantajlı olmaktadır. Elenmiş ZP'den yağ alımı posanın besin değerini düşürse de yapılan çalışmalar yağı alınmış EZP'nin de ekonomik bir yem kaynağı olduğunu göstermektedir. Besi kuzuları ile yapılan çalışmalar EZP'nin rasyon KM'sinin %20'sine kadar katılabileceğini göstermektedir. Süt hayvanları ile yapılan çalışmalar ise EZP'nin rasyona 15-20 g/kg KM yağ temin edecek şekilde rasyon KM'sinin %10-20 düzeyinde ilavesi ile süt yağı ve süt kalitesinde önemli iyileşmeler sağlanabileceğini göstermektedir. Sonuç olarak ZP'nin çekirdeklerinden elenmesi, posayı önemli bir yem kaynağına dönüştürmekte, EZP kullanımı ile yem maliyetlerinde azalma, hayvan performansında ve hayvansal ürünlerin kalitesinde artışlar sağlanabilmektedir. Bununla beraber, ZP'nin besin değeri birçok faktör tarafından etkilendiği için, ZP'nin besin madde içeriğinin tespit edilerek rasyona katılacak miktarının belirlenmesi gerektiği değerlendirilebilir. The factor affecting nutritive and feeding value of olive cake (OC) was evaluated and, some suggestion was made regarding using olive cake in ruminant nutrition. It is evaluated that the nutritive value of OC can be able to support maintenance requirement of ruminant, although its nutritive value is affected by different factors. However, when taking into consideration of expense needed for preservation of OC, it is wise to use OC in nutrition after de-stoning. The crude protein, ether extract, NDF, lignin and non-fiber carbohydrates content of partly de-stoned OC (POC) was determined as 75 (56-93), 126 (68-184), 571 (443-700), 222 (174-269) and 141 (55-227) g/kg dry matte...

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“…Polyphenols are bioactive molecules commonly used as antioxidants and antimicrobials in the food industry [3][4][5]. One important alternative is the utilization of by-products from olive tree culture and the olive oil industry as sources of nutrients for animals [6]. Furthermore, new technologies based on membrane treatments of aqueous by-products have been used to recover the crude phenolic concentrate rich in secoiridoids, especially 3,4-DHPEA-EDA and verbascoside [7], which can be used in industrial and feed applications.…”

Section: Introductionmentioning

confidence: 99%

Dietary Administration of Olive Mill Wastewater Extract Reduces Campylobacter spp. Prevalence in Broiler Chickens

et al. 2016

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Food wastes are sources of compounds that can be used as natural additives in the food and feed industry. The olive oil industry produces two main wastes: aqueous waste (olive mill wastewater) and solid waste (pomace or olive cake). These by-products are rich in phenols, which are antioxidant and antimicrobial compounds able to inhibit or delay the growth of several bacteria in vitro. The dietary effect of both olive mill wastewater polyphenolic extract (OMWPE) and dehydrated olive cake (DOC) on the prevalence of Campylobacter spp. in broiler chickens was investigated. A commercial basal diet was supplemented with either OMWPE-or DOC-enriched maize at two dosages (low: 16%; high: 33%). The prevalence of Campylobacter spp. shedding was evaluated at 21, 35, and 49 days of age. The prevalence of Campylobacter spp. differed among groups only at 49 days of age. Both OMWPE groups showed a lower (p < 0.05) prevalence compared to the control group. The odds ratio evaluation showed that the higher dose of OMWPE reduced the possibility of shedding 11-fold compared to the control group (p < 0.001). These results highlight the potential use of olive by-products against Campylobacter spp. in poultry.

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Recycling of olive oil by-products: Possibilities of utilization in animal nutrition

Cited by 79 publications

References 11 publications

Intensification of Mediterranean Goat Production Systems: A Case Study in Northern Morocco

Intensification of Mediterranean Goat Production Systems: A Case Study in Northern Morocco

Zeytin Posasının Ruminantlar İçin Besin ve Besleme Değeri

Dietary Administration of Olive Mill Wastewater Extract Reduces Campylobacter spp. Prevalence in Broiler Chickens

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