Dietary inclusion of pistachio wastes (Pistacia vera L.) to fattening male goat kids’ feeding: Chemical-mineral compositions, in vitro ruminal fermentation, in vivo digestibility, hemato-biochemical profile, and growth performance

IF 1.6 3区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Mohsen Kazemi , Reza Valizadeh , Abdelfattah Zeidan Mohamed Salem
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引用次数: 0

Abstract

Pistachio (PW, Pistacia vera L.) wastes are a collection of favorite materials that are produced in the pistachio processing factories, in combination with its industry derivatives of clusters, soft hull, leaves, hard shell, and kernel. Two experiments were carried out; in the 1st one, the chemical and mineral compositions, in vitro ruminal-digestive fermentation activities, and buffering capacity parameters were determined for PW and its derivatives. For the 2nd experiment, the nutritional effects of an aluminosilicate (AS) and polyethylene glycol (PEG), at 10 g/kg dietary dry matter (DM), on PW-based diets were investigated. However, forty Mahabadi male goat kids [5 months, 22 ± 2.0 kg body weight (BW)] were randomly divided into the four experimental diets: control (a basal diet without PW); PW (replaced 40 % of control ingredients with PW); PW + PEG (PW diet + 10 g PEG/kg DM); and PW + AS (PW diet + 10 g AS/kg DM). Crude protein content, dry matter digestibility (DMD), gas production, and metabolizable energy were increased (P < 0.001) in kernel rather than other treatments. Hard shell exhibited the lowest (P < 0.001) DMD and/or organic matter digestibility (at 24 and 96 h), and highest (P < 0.001) neutral detergent fiber, acid detergent fiber, and iron concentrations. In leaves, total phenolic and tannins, calcium, magnesium, and manganese had the highest (P < 0.001) concentrations versus other PW derivatives. Soft hull has the greatest (P < 0.001) acid-base buffering capacity among the evaluated derivatives. Dietary supplementation with 40 % PW decreased (P < 0.001) dry matter intake, final BW, average daily gain, nutrient digestibility, ruminal total volatile fatty acids, propionate, and acetate, but with an increase (P < 0.001) in those parameters in PW + PEG and PW + AS diets. Blood urea nitrogen and total protein decreased (P < 0.05) by dietary PW. The inclusion of 40 % PW in the diet reduced the growth performance and diet nutritive value, but improved plasma antioxidant status (total antioxidant capacity: and malondialdehyde). Addition of PW in goat kids’ diets with PEG or AS improved the digestibility and ruminal fermentation activities and enhanced growth performance. In conclusion, it is recommended to use PW at the dietary level of 40 % in fattening goat kids, provided that it is accompanied by adding AS or PEG to the diet.

在育肥公山羊饲粮中添加开心果废弃物(Pistacia vera L.):化学矿物质成分、体外瘤胃发酵、体内消化率、血液生化指标和生长性能
阿月浑子(PW,Pistacia vera L.)废料是阿月浑子加工厂产生的最受欢迎的材料集合,与其工业衍生物团块、软壳、叶片、硬壳和仁结合在一起。我们进行了两项实验:第一项实验测定了 PW 及其衍生物的化学和矿物质成分、体外瘤胃消化发酵活性和缓冲能力参数。在第二项实验中,研究了每公斤日粮干物质(DM)10 克的硅酸铝(AS)和聚乙二醇(PEG)对以蜂窝煤为基础的日粮的营养影响。然而,40 只 Mahabadi 雄性山羊(5 个月,体重(BW)22 ± 2.0 千克)被随机分为四种试验日粮:对照组(不含 PW 的基础日粮);PW 组(用 PW 取代 40% 的对照组成分);PW + PEG 组(PW 日粮 + 10 克 PEG/kg DM);PW + AS 组(PW 日粮 + 10 克 AS/kg DM)。粗蛋白含量、干物质消化率(DMD)、产气量和代谢能在果仁处理中比其他处理有所增加(P < 0.001)。硬壳的干物质消化率和/或有机物消化率(24 小时和 96 小时)最低(P < 0.001),中性洗涤纤维、酸性洗涤纤维和铁的浓度最高(P < 0.001)。在叶片中,总酚和单宁、钙、镁和锰的浓度(P <0.001)与其他颗粒衍生物相比最高。在所评估的衍生物中,软壳的酸碱缓冲能力最强(P < 0.001)。日粮中添加40%的PW会降低(P <0.001)干物质摄入量、最终体重、平均日增重、养分消化率、瘤胃总挥发性脂肪酸、丙酸盐和乙酸盐,但在PW + PEG和PW + AS日粮中这些参数会增加(P <0.001)。日粮中添加 PW 会降低血尿素氮和总蛋白(P < 0.05)。日粮中添加 40% 的 PW 会降低生长性能和日粮营养价值,但会改善血浆抗氧化状态(总抗氧化能力:和丙二醛)。在山羊幼崽日粮中添加 PW 与 PEG 或 AS 可提高消化率和瘤胃发酵活性,并提高生长性能。总之,建议在肥育山羊幼崽的日粮中添加 40% 的 PW,条件是同时在日粮中添加 AS 或 PEG。
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来源期刊
Small Ruminant Research
Small Ruminant Research 农林科学-奶制品与动物科学
CiteScore
3.10
自引率
11.10%
发文量
210
审稿时长
12.5 weeks
期刊介绍: Small Ruminant Research publishes original, basic and applied research articles, technical notes, and review articles on research relating to goats, sheep, deer, the New World camelids llama, alpaca, vicuna and guanaco, and the Old World camels. Topics covered include nutrition, physiology, anatomy, genetics, microbiology, ethology, product technology, socio-economics, management, sustainability and environment, veterinary medicine and husbandry engineering.
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