The effect of partial replacement of barley grains by Prosopis juliflora pods on growth performance, nutrient intake, digestibility, and carcass characteristics of Awassi lambs fed finishing diets

Obeidat, Belal S.; Abdullah, Abdullah Y.; Al-Lataifeh, Fatima A.

doi:10.1016/j.anifeedsci.2007.12.002

Cited by 36 publications

(42 citation statements)

References 13 publications

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“…Non-carcass components did not differ among treatments. These results were within the range of acceptable values (Obeidat et al, 2008). Dietary treatments were formulated with the same content of neutral detergent fibre, but there were more non-structural carbohydrates in PL 789 diets, and that may have influenced the palatability of the PL500 diet, promoting higher intake, although it did not influence the weight of the digestive tract.…”

Section: Discussionsupporting

confidence: 51%

“…This result shows that pH is within standard reference values. The indicators of colour values (L, a and b) in lambs fed PL were different from those reported by Obeidat et al (2008) in sheep fed a 200 g/kg Prosopis juliflora diet. This may be related to low levels of secondary compounds such as tannins, which produce lighter-coloured meat, as found by Negrete et al (2016).…”

Section: Discussionmentioning

confidence: 47%

“…Mesquite pods contain 220 g free sugars, 78 g crude protein, 21 g fat, and a potential degradation of 163 g/kg DM (Peña-Avelino et al, 2014) and can therefore be used to balance diets that are based on grain. Mesquite pods have been evaluated as a potential feed ingredient for livestock in many species, including sheep (Mahgoub et al, 2005a;Mahgoub et al, 2005b;Obeidat et al, 2008;Obeidat et al, 2011). Most of these studies have shown that mesquite pods could replace conventional feeds without causing health problems or affecting growth performance in lambs.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Prosopis laevigata pods on carcass characteristics, non-carcass components, meat quality, fatty acid profile and sensory attributes

Peña-Avelino¹,

Pinos-Rodríguez²,

Vicente³

et al. 2017

SA J. An. Sci.

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It was hypothesized that feeding mesquite pods to male Rambouillet lambs would have no negative effects on carcass characteristics, meat chemical composition and fatty acid composition of Longissimus thoracis et lumborum (LTL). Twenty-one male lambs (2.5 months old and 21 ± 1.44 kg bodyweight) were randomly assigned to one of three experimental diets, two of which replaced maize grain and stover with mesquite pods (Prosopis laevigata) (PL): 0 g PL/kg feed (PL0), 250 g PL/kg feed (PL250) and 500 g PL/kg feed (dry matter basis). The feeding trial lasted 72 days. Carcass traits, chemical composition, fatty acid profile, and sensory characteristics of meat were measured. Carcass linear dimensions, non-carcass components, digestive tract and offal, compression value, and chemical composition of meat were similar in all treatments. Dietary inclusion of PL decreased carcass shrinkage loss. Lambs fed PL500 had better muscle conformation and degree of fat. Meat produced by PL-fed lambs was well accepted by panellists who judged meat appearance, colour, flavour, juiciness, toughness, and stringiness. In lambs fed PL0, the LTL muscle was lighter and yellower than that of animals fed PL250 and PL500 diets. Fatty acid composition was altered. The PL0 diet resulted in lower percentages of total trans fatty acids (TFA) and saturated fatty acids (SFA) and higher percentages of most unsaturated fatty acids (UFA) and polyunsaturated fatty acids (PUFA) n-6 compared with PL250 and PL500 diets. Mesquite diets of up to 500 g/kg dry matter (DM) for growing lambs improved carcass quality and nutritional parameters of the meat.

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Section: Discussionsupporting

confidence: 51%

Section: Discussionmentioning

confidence: 47%

Section: Introductionmentioning

confidence: 99%

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Effects of Prosopis laevigata pods on carcass characteristics, non-carcass components, meat quality, fatty acid profile and sensory attributes

Peña-Avelino¹,

Pinos-Rodríguez²,

Vicente³

et al. 2017

SA J. An. Sci.

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“…Several nonconventional feeds resulted in similar ADG results (Abo Omar, 2002;Obeidat et al, 2008;Zaza, 2008).…”

Section: Discussionmentioning

confidence: 93%

Partial replacement of barley grain and soybean meal by fleabane (Conyza bonariensis) in diets of growing Awassi lambs

Omar

2012

Animal

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Effects of partial substitution of barley grain and soybean meal with fleabane (FB) Conyza bonariensis on growth performances and body compositions of 24 male local Awassi lambs were studied. All lambs were male with an average BW of 20.3 kg (s.d. 5 2.0 kg) at the beginning of the experiment. Animals were randomly divided into four groups of six lambs each. Lambs in each group received individually their cereal-soybean-based total mixed rations with levels of FB: 0, 50, 100 and 150 g/kg dry matter (DM) diet, which replaced similar values of barley and soybean meal. All rations were isonitrogenous and isocaloric. The fattening experiment lasted 9 weeks, after which all lambs were slaughtered. The composition of nutrients in the C. bonariensis were 89.6%, 15.0%, 28.0%, 30.0% and 10% for organic matter, CP, NDF, ADF and lignin, respectively. At the end of the experiment, lambs fed 100 and 150 g FB/kg DM diets gained more weight (P , 0.05) than those fed the control and 50 g FB/kg DM diets. The DM intake was lower in lambs fed the highest level of FB compared with intakes of lambs in other treatments. Diet content of FB had significant effect (P , 0.05) on weights of empty body, carcass, gut and external (hide, head and feet) among all animals. However, FB had no effects on lambs' thoracic organs (lungs and heart) and liver. Muscle, bone, omental and mesenteric fat, subcutaneous, intermuscular, pelvic and kidney fat weights (g/kg empty BW) were not affected by FB feeding. Carcass fat was decreased (P , 0.05) by the increase of FB. Total body fat was the same in all animals of the experiment. ImplicationsThis work is an initial attempt in finding a new nonconventional feed ingredient for feeding ruminants. The utilization of fleabane (FB), which is classified as weed in livestock rations will have positive impact in reducing livestock feed costs and the overall livelihood of rural farmers. Results of this research showed the advantages of feeding FB to growing lambs as indicated in animals' general performance and feed conversion ratios.

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“…Lambs fed diets supplemented with PJP (to partially replace barley) performed similar to those fed conventional diets. No differences were observed in feed intake, feed conversion, average daily gain and carcass characteristics among animals fed PJP or conventional diets (Obeidat et al, 2008a). The Prosopis julifora plants are highly adapted to low rainfall areas.…”

Section: Las Ovejas De Jordaniamentioning

confidence: 97%

Sistemas De Producción De Oveja Awassi Y Rendimiento Reproductivo: Una Experiencia Del Medio Oriente

Kridli¹,

Abdullah²,

Rousan³

et al. 2011

Rev Cha Se Cie For y del Amb

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RESUMENJordania es un país predominantemente semiárido. La mayor parte de la tierra es incultivable y sólo se puede utilizar para el pastoreo de rumiantes pequeños. La oveja Awassi de cola gruesa es la raza nativa de ovejas en Jordania. Esta raza es popular por varias razones, tales como su adaptabilidad a ecosistemas difíciles, su producción lechera y por tener una carne con buenas características y un buen sabor. La industria ovejera en Jordania enfrenta muchos retos, el más importante es la escases de agua, que conlleva a una baja disponibilidad de forrajes y a un alza en los precios de los alimentos. A pesar de las dificultades, se realizan esfuerzos para mejorar la productividad de las ovejas Awassi mediante la selección, el cuidado veterinario, la evaluación de fuentes alternativas de alimentación y tratamientos hormonales para mejorar su fertilidad y fecundidad. Este estudio enfatiza la investigación principal llevada a cabo en ovejas Awassi en Jordania en la última década con un énfasis especial en el rendimiento reproductivo. ABSTRACTJordan is a predominantly semi arid country. Much of the land area is uncultivable and can only be used as a range for grazing small ruminants. Fat tailed Awassi is the indigenous sheep breed of Jordan. The breed is popular for many reasons such as the adaptability to harsh ecosystems, milk production ability and having favorable meat flavor and characteristics. The sheep industry in Jordan faces many challenges, the most important of which is water shortage leading to low forage availability and high feed prices. Despite such hardships, efforts are made to improve productivity of Awassi sheep through selection, veterinary care, evaluating alternative feed sources and hormonal treatments to improve fertility and fecundity. This review highlights the major research conducted on Awassi sheep in Jordan over the last decade with special emphasis on reproductive performance.

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The effect of partial replacement of barley grains by Prosopis juliflora pods on growth performance, nutrient intake, digestibility, and carcass characteristics of Awassi lambs fed finishing diets

Cited by 36 publications

References 13 publications

Effects of Prosopis laevigata pods on carcass characteristics, non-carcass components, meat quality, fatty acid profile and sensory attributes

Effects of Prosopis laevigata pods on carcass characteristics, non-carcass components, meat quality, fatty acid profile and sensory attributes

Partial replacement of barley grain and soybean meal by fleabane (Conyza bonariensis) in diets of growing Awassi lambs

Sistemas De Producción De Oveja Awassi Y Rendimiento Reproductivo: Una Experiencia Del Medio Oriente

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