当前位置: X-MOL 学术Ann. Anim. Sci. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Partial replacement of concentrate with olive cake in different forms in the diet of lactating Barki ewes affects the lactational performance and feed utilization
Annals of Animal Science ( IF 1.9 ) Pub Date : 2020-12-21 , DOI: 10.2478/aoas-2020-0114
Fatma I. Hadhoud 1 , Ahmed E. Kholif 1 , Ahmed M. Abd El Tawab 1 , Mahmoud M. Shaaban 2 , Mohamed M.M. Mostafa 2 , Hossam M. Ebeid 1 , Osama H. Matloup 1
Affiliation  

The present experiment aimed to evaluate the inclusion of dried olive cake treated or untreated with fibrolytic enzyme, partially replacing concentrates in the diet of ewes. Forty lactating Barki ewes, weighing 37.1 ± 4.0 kg, were assigned into four treatments (n=10) in a complete randomized design for 9 weeks. Ewes were stratified according to parity (2 ± 1 parity) and previous milk production (615 ± 11 g/d). The control diet consisted of concentrates and fodder maize at 60:40, respectively. For the experimental diets, 30% of the concentrates was replaced with dried olive cake (DOC treatment), olive cake silage (SOC treatment) or olive cake silage treated with fibrolytic enzymes (ESOC treatment). Without affecting intake, DOC, SOC and ESOC diets enhanced (P<0.05) dry matter, organic matter and non-structural carbohydrate digestibility; however, ESOC diets increased (P<0.05) neutral detergent fiber and acid detergent fiber digestibility. Additionally, DOC, SOC and ESOC diets increased (P<0.05) ruminal total volatile fatty acids, acetate and propionate without affecting ruminal pH and ammonia-N concentration. The ESOC diet increased serum glucose concentration (P=0.019). Both of SOC and ESOC diets increased (P<0.05) daily milk production and energy corrected milk as well as milk fat concentration (P=0.028). All of DOC, SOC and ESOC increased (P<0.05) feed (milk) efficiency compared with the control diet. It is concluded that 30% of concentrates can be replaced with olive cake without negative effects on performance but with better performance when olive cake was ensiled with or with or without fibrolytic enzymes.

中文翻译:

哺乳的巴尔基母羊日粮中用不同形式的橄榄饼部分替代浓缩汁会影响泌乳性能和饲料利用率

本实验旨在评估用纤溶酶处理或未处理的干橄榄饼的含量,部分替代母羊饮食中的浓缩物。将40头重37.1±4.0千克的Barki哺乳母羊按照完全随机设计分配到4种处理中(n = 10),持续9周。根据胎次(2±1个胎次)和以前的产奶量(615±11 g / d)对母羊进行分层。对照饮食分别由60:40的浓缩物和饲料玉米组成。对于实验饮食,将30%的浓缩物替换为干橄榄饼(DOC处理),橄榄饼青贮饲料(SOC处理)或经纤溶酶处理的橄榄饼青贮饲料(ESOC处理)。在不影响摄入量的情况下,DOC,SOC和ESOC饮食可提高(P <0.05)干物质,有机物质和非结构性碳水化合物的消化率;然而,ESOC日粮增加了(P <0.05)中性洗涤剂纤维和酸性洗涤剂纤维的消化率。此外,DOC,SOC和ESOC日粮可增加(P <0.05)瘤胃总挥发性脂肪酸,乙酸盐和丙酸盐,而不会影响瘤胃的pH和氨氮浓度。ESOC饮食增加了血清葡萄糖浓度(P = 0.019)。SOC和ESOC日粮均增加(P <0.05)每日产奶量和能量校正的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。05)中性洗涤剂纤维和酸性洗涤剂纤维的消化率。此外,DOC,SOC和ESOC日粮可增加(P <0.05)瘤胃总挥发性脂肪酸,乙酸盐和丙酸盐,而不会影响瘤胃的pH和氨氮浓度。ESOC饮食增加了血清葡萄糖浓度(P = 0.019)。SOC和ESOC日粮均增加(P <0.05)每日产奶量和能量校正的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。05)中性洗涤剂纤维和酸性洗涤剂纤维的消化率。此外,DOC,SOC和ESOC日粮可增加(P <0.05)瘤胃总挥发性脂肪酸,乙酸盐和丙酸盐,而不会影响瘤胃的pH和氨氮浓度。ESOC饮食增加了血清葡萄糖浓度(P = 0.019)。SOC和ESOC日粮均增加(P <0.05)每日产奶量和能量校正的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。05)瘤胃总挥发性脂肪酸,乙酸盐和丙酸盐,不影响瘤胃pH和氨氮浓度。ESOC饮食增加了血清葡萄糖浓度(P = 0.019)。SOC和ESOC日粮均增加(P <0.05)每日产奶量和能量校正的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。05)瘤胃总挥发性脂肪酸,乙酸盐和丙酸盐,不影响瘤胃pH和氨氮浓度。ESOC饮食增加了血清葡萄糖浓度(P = 0.019)。SOC和ESOC日粮均增加(P <0.05)每日产奶量和能量校正的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。0.05)的每日产奶量和能量校正后的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。0.05)的每日产奶量和能量校正后的牛奶以及乳脂浓度(P = 0.028)。与对照日粮相比,所有DOC,SOC和ESOC均提高了(P <0.05)饲料(牛奶)效率。结论是,橄榄饼可以替代30%的浓缩物,而对性能没有负面影响,但是在橄榄饼中加入或不加入纤溶酶的情况下,橄榄饼的性能更好。
更新日期:2020-12-22
down
wechat
bug