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1.
《中国畜牧兽医》2019,(12)
试验旨在研究日粮中添加中药复方发酵粉对断奶仔猪生长性能、养分表观消化率和消化酶活性的影响。选择32头体重为(14.96±0.96)kg的健康42日龄"杜×长×大"三元断奶仔猪,随机分成4个处理,每个处理8个重复,每个重复1头猪。对照组饲喂基础日粮,其余3组分别在基础日粮的基础上添加金霉素75 mg/kg、中药复方发酵粉600 mg/kg及金霉素75 mg/kg+中药复方发酵粉600 mg/kg。试验期为42 d。结果表明,日粮中添加中药复方发酵粉显著提高了仔猪的干物质、有机物和碳水化合物的表观消化率及表观消化能(P0.05),提高了必需氨基酸和非必需氨基酸(甘氨酸、天冬氨酸、丙氨酸、胱氨酸、酪氨酸)的表观消化率及脂肪酶活性(十二指肠、空肠、回肠)和淀粉酶活性(回肠)(P0.05)。金霉素和中药复方发酵粉对仔猪日增重、粗脂肪和粗蛋白质的表观消化率及表观消化能和亮氨酸、苯丙氨酸、丝氨酸的表观消化率有显著的交互效应(P0.05);与对照组相比,金霉素组和中药复方发酵粉组显著提高了日增重、粗脂肪和粗蛋白质的表观消化率及苯丙氨酸和丝氨酸的表观消化率(P0.05),但两组间差异不显著(P0.05)。由此可见,日粮中添加600 mg/kg中药复方发酵粉能提高断奶仔猪养分表观消化率、氨基酸表观消化率和肠道消化酶活性。 相似文献
2.
喷雾干燥血浆蛋白粉对仔猪生长性能和养分表观消化率的影响 总被引：1，自引：0，他引：1
本试验旨在研究喷雾干燥血浆蛋白粉对仔猪生长性能和养分表观消化率的影响。选择160头31日龄仔猪,随机分为对照组和试验组,对照组饲喂基础日粮,试验组添加3%喷雾干燥血浆蛋白粉,试验期14d。结果表明:日粮添加3%喷雾干燥血浆蛋白粉显著提高了仔猪的日增重(P0.05),降低了仔猪腹泻率(P0.05);显著提高了仔猪对饲料干物质的表观消化率(P0.05),对钙、磷、粗蛋白质的表观消化率有提高的趋势,但差异不显著(P0.05)。喷雾干燥血浆蛋白粉适合仔猪的营养需要,可以应用于生产。 相似文献
3.
木聚糖酶对仔猪生长性能的影响 总被引：7，自引：0，他引：7
选用杜×长×大三元杂交仔猪60头,随机分成2组,分别为对照组和试验组,在试验组仔猪饲料中添加木聚糖酶,其日增重和饲料转化率分别比对照组提高了23.32%和7.25%,差异显著(P<0.05),试验组仔猪腹泻发病率比对照组降低了10%。结果表明,在日粮中添加木聚糖酶可提高日粮中养分的消化率,降低仔猪腹泻发病率,对仔猪的生长性能具有明显的改善作用。 相似文献
4.
试验选择50日龄断奶体重为16kg的仔猪120头,随机分成试验组和对照组。对照组饲喂玉米-豆粕型日粮,试验组饲喂非常规植物能量原料替代约50%玉米+生物能量专用酶(Bio-Energy-Specific Enzyme,BESE)0.12%。试验结果表明:试验组日增重较对照组提高2.27%(P0.05),料肉比降低2.43%(P0.05),试验组营养物质表观消化率均高于对照组,干物质提高1.99%(P0.05),能量提高0.98%(P0.05)、粗蛋白质提高4.24%(P0.05)、粗纤维提高13.01%(P0.05)。添加BESE可有效地提高日增重和饲料转化率。 相似文献
5.
为研究体外加酶预消化饲料对断奶仔猪生长与养分消化率的影响,选用28日龄断奶杜长大仔猪80头,按试验要求随机分为4组,每组2个重复,每个重复10头,分别饲喂基础饲粮颗粒料(Ⅰ组)、基础饲粮预消化颗粒料(Ⅱ组)、普通加酶饲粮颗粒料(Ⅲ组)、加酶预消化饲粮颗粒料(Ⅳ组),预试期7 d,正试期28 d.结果表明,Ⅳ组仔猪日增体质量(P<0.05)和饲料转化率(P<0.05)显著高于Ⅰ和Ⅱ组,腹泻率极显著低于Ⅰ、Ⅱ和Ⅲ组(P<0.01);Ⅳ组仔猪能量和钙表观消化率均高于Ⅰ和Ⅱ组(P<0.05),但与Ⅲ组比较差异不显著(P>0.05);Ⅳ组仔猪磷表观消化率显著高于Ⅲ组(P<0.05)、Ⅰ和Ⅱ组(P<0.01),Ⅳ组粗蛋白表观消化率虽略有提升,但与其它3组相比差异不显著.加酶预消化饲料可提高断奶仔猪对饲料养分的消化,进而促进其生长. 相似文献
6.
试验旨在研究日粮中添加中药复方发酵粉对断奶仔猪生长性能、养分表观消化率和消化酶活性的影响。选择32头体重为（14.96±0.96）kg的健康42日龄"杜×长×大"三元断奶仔猪,随机分成4个处理,每个处理8个重复,每个重复1头猪。对照组饲喂基础日粮,其余3组分别在基础日粮的基础上添加金霉素75 mg/kg、中药复方发酵粉600 mg/kg及金霉素75 mg/kg+中药复方发酵粉600 mg/kg。试验期为42 d。结果表明,日粮中添加中药复方发酵粉显著提高了仔猪的干物质、有机物和碳水化合物的表观消化率及表观消化能（P<0.05）,提高了必需氨基酸和非必需氨基酸（甘氨酸、天冬氨酸、丙氨酸、胱氨酸、酪氨酸）的表观消化率及脂肪酶活性（十二指肠、空肠、回肠）和淀粉酶活性（回肠）（P<0.05）。金霉素和中药复方发酵粉对仔猪日增重、粗脂肪和粗蛋白质的表观消化率及表观消化能和亮氨酸、苯丙氨酸、丝氨酸的表观消化率有显著的交互效应（P<0.05）;与对照组相比,金霉素组和中药复方发酵粉组显著提高了日增重、粗脂肪和粗蛋白质的表观消化率及苯丙氨酸和丝氨酸的表观消化率（P<0.05）,但两组间差异不显著（P>0.05）。由此可见,日粮中添加600 mg/kg中药复方发酵粉能提高断奶仔猪养分表观消化率、氨基酸表观消化率和肠道消化酶活性。 相似文献
7.
本试验选用60头初始重约为20kg的杜洛克×长白×上海白猪三元杂交品种猪(简称杜长上),随机分为对照组和试验组,对照组饲喂常规基础日粮,试验组在基础日粮中添加200mg/kg"力诺素"。进行为期40d的试验,研究"力诺素"对三元杂交仔猪日增重和饲料转化率的影响。结果表明:添加"力诺素"使仔猪日增重提高13.35%(P<0.05),料肉比降低5.93%(P<0.05)即提高饲料转化率,从而提高经济效益。 相似文献
8.
为探讨罗酶宝~(TM)对玉米/豆粕型日粮的表观代谢能以及肉鸡生产性能的影响,选择AA肉鸡为实验动物,在饲料中添加罗酶宝~(TM),进行了3项实验。结果表明:罗酶宝~(TM)使玉米/豆粕型日粮表观代谢能提高66～100kcal/kg,使肉鸡的表观脂肪、蛋白质、氨基酸消化率分别提高3.7％、2.4％、3％～4％,使体重提高4.8％,饲料转化效率有所改善(p>0.05),而且能促进胸肌的合成,改善肉鸡胴体质量。 相似文献
9.
氨基酸螯合铁对早期断奶仔猪内脏铁含量及铁消化率的影响 总被引：1，自引：0，他引：1
为了比较氨基酸螯合铁对早期断奶仔猪内脏铁含量、铁表观消化率的影响,选择150头21日龄断奶仔猪(杜×长×大),在基础日粮添加100 mg/kg无机铁的基础上分别添加0、40、80、120、160 mg/kg氨基酸螯合铁构成5个试验组进行1～3周、4～6周及全期试验.结果表明:第21天和第42天,120 mg/kg氨基酸螯合铁试验组铁表观消化率极显著高于对照组(P<0.01);肝脏铁、脾脏铁都显著高于对照组(P<0.05).添加氨基酸铁螯合铁可提高早期断奶仔猪的铁表观消化率,增加体内铁贮. 相似文献
10.
试验旨在探讨饲喂不同水平壳聚糖锌(CS-Zn)对断奶仔猪生长性能、养分消化率和消化酶活性的影响。选择体重7.25 kg左右断奶仔猪120头,随机分为5组(每组3个重复,每个重复8头)。对照组饲喂基础饲粮,试验组在基础饲粮基础上分别添加50、100 mg/kg CS-Zn和100 mg/kg硫酸锌(ZnSO4)、3 000 mg/kg氧化锌(ZnO)(均以锌计),饲养期35 d。结果表明:与对照组和ZnSO4组相比,CS-Zn-100组能显著提高断奶仔猪日增重、降低饲料增重比(P<0.05),与高剂量氧化锌组无明显差异(P>0.05);与对照组和ZnSO4组相比,CS-Zn-100组显著提高了断奶仔猪对饲料粗蛋白的消化率(P<0.05);与对照组相比,CS-Zn-100组能显著提高断奶仔猪十二指肠和胰腺总蛋白水解酶活性以及十二指肠淀粉酶活性(P<0.05),与3 000 mg/kg ZnO组无显著差异(P>0.05)。结果提示,饲粮中添加100 mg/kg CS-Zn能明显提高断奶仔猪对饲料粗蛋白的利用率和断奶仔猪小肠的消化酶活性。 相似文献
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12.
Slocombe JO McMillan I 《The Canadian veterinary journal. La revue veterinaire canadienne》1984,25(9):347-350
In late December 1983, 2 800 veterinarians across Canada were sent a questionnaire in order to assess the status of heartworm disease in Canada in 1983 and 26% of them responded. Veterinarians reported that 59 504 dogs were blood-tested to check for microfilariae and 771 dogs (1.30% of those tested) were found with Dirofilaria immitis. Heartworm disease was diagnosed in all provinces except New Brunswick and Newfoundland but most (733) of the cases were in Ontario.
Heartworm disease was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 31% of the cases were observed with clinical signs of heartworm disease and 64% had a history of not having left Canada. Southwestern Ontario continues to be the focus of the infection and most of the dogs there had not left the province previously.
相似文献13.
Heartworm in dogs in Canada in 1982 总被引：8，自引：8，他引：0
Slocombe JO McMillan I 《The Canadian veterinary journal. La revue veterinaire canadienne》1983,24(7):227-229
14.
Ovine scrapie was first recorded in Cyprus in 1985. Subsequently four dairy goats kept in two mixed flocks with affected sheep developed characteristic clinical signs similar to those seen in sheep. Fifteen goats from the two flocks were examined histologically and neurological lesions consistent with a diagnosis of scrapie were found in the four animals and in three others which had subsequently developed early neurological signs. These lesions were similar to those of naturally-affected sheep although neuronal degeneration and vacuolation were more severe in some cases. 相似文献
15.
Owen J Slocombe D McMillan I 《The Canadian veterinary journal. La revue veterinaire canadienne》1986,27(9):324-328
In late December 1985, 1485 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1985 and 44% of them responded. Veterinarians reported that 137,300 dogs were blood-tested to check for microfilariae and 1210 dogs were found with heartworm. Another 36 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number diagnosed in 1985 as 1247 (0.91%).
Heartworm was reported from all provinces except Prince Edward Island, Newfoundland and Saskatchewan but most (1126) of the cases were in Ontario. Southwestern Ontario continued to be the primary focus of the infection in Canada. From Quebec, 91 cases were reported mostly from and around Montreal. From Manitoba, 19 cases were reported from Winnipeg and surrounding areas. Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 28% of the cases were observed with clinical signs of heartworm disease and 78% had a history of not having left Canada.
相似文献16.
Slocombe JO McMillan I 《The Canadian veterinary journal. La revue veterinaire canadienne》1989,30(6):504-508
In late November 1988, 1581 small and mixed animal clinics and institutional veterinarians across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1988, and 46% of them responded. Veterinarians reported that 181,577 dogs were blood-tested for heartworm disease and 367 dogs were found with D. immitis microfilariae. Another 60 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number of cases diagnosed in 1988 as 441 (0.24%). 相似文献
17.
Slocombe JO McMillan I 《The Canadian veterinary journal. La revue veterinaire canadienne》1985,26(10):323-327
In late December 1984, 1853 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1984 and 35% of them responded. Veterinarians reported that 97,794 dogs were blood-tested to check for microfilariae and 1417 dogs (1.45% of those tested) were found with heartworm. Another 34 dogs were amicrofilaremic, but were diagnosed as having heartworm disease, to give the total number diagnosed in 1984 as 1451 (1.48%). Heartworm was reported from all provinces except Prince Edward Island and Newfoundland but most (1310) of the cases were in Ontario. In Quebec, 126 cases were reported mostly from west of Montreal.
Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 27% of the cases were observed with clinical signs of heartworm disease and 72% had a history of not having left Canada. Southwestern Ontario continued to be the primary focus of the infection.
相似文献18.
19.
Slocombe JO Villeneuve A 《The Canadian veterinary journal. La revue veterinaire canadienne》1993,34(10):630-633
In late November 1991, 1883 clinics in Canada were sent a questionnaire to assess the status of Dirofilaria immitis in dogs in 1991 and there was a 60.0% response. There were 344,031 dogs tested for heart-worm (HW), 627 were found infected and the prevalence of HW infection was 0.18%. There were 417 dogs with HW in Ontario, 116 in Manitoba, 38 in Quebec, 53 in British Columbia, three in Alberta, and one in Nova Scotia. In British Columbia, all of the infected dogs but one were from the Okanagan valley which, as from 1991, is a new focus of infection in Canada. Most dogs with HW had not been on preventive medication in 1990, and the prevalence among dogs tested and unprotected was 0.59%. That prevalence was considerably higher in endemic areas. Companion dogs, over three years of age and maintained primarily outdoors in rural areas, were most frequently infected. One cat was diagnosed with D. immitis and 33 dogs had Dipetalonema reconditium. 相似文献
20.
In late November 1989, 1732 clinics and institutional veterinarians were sent a questionnaire to assess the status of Dirofilaria immitis, and 51.7% responded. Of 247,716 dogs tested, 394 had D. immitis microfilariae and 51 were amicrofilaremic for a total of 445 cases and heartworm prevalence of 0.17%. Most (408) of these dogs had no preventive medication and the prevalence among dogs tested and unprotected was 1.01%. That prevalence was considerably higher in endemic areas. Thirty-seven dogs with heartworm had preventive medication. Heartworm was most frequent in companion dogs over three years of age maintained outdoors in rural areas. About 75% of the cases had never left Canada, 26% had clinical signs and 125 were not treated.
Heartworm was reported from British Columbia, Manitoba, Ontario, Quebec, Nova Scotia and Newfoundland, but 383 cases were in Ontario. South-western Ontario was the primary focus of infection. There were 33 cases in Quebec and 24 in Manitoba, mainly found in and around Metropolitan Montreal and Winnipeg respectively.
相似文献