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中草药饲料添加剂"增蛋散"配方筛选研究 总被引：3，自引：0，他引：3
将315只28周龄的“京白V系”商品蛋鸡，随机分成3组，每组105只，A、B组为试验组，C组为对照组。A、B组饲喂在基础日粮中分别添加1％的Ⅰ、Ⅱ号中药方剂的饲料，C组只喂基础日粮，饲喂6周后，观察Ⅰ、Ⅱ号中药方剂对产蛋鸡产蛋率和饲料报酬的影响。结果与对照组相比，试验A、B组鸡的产蛋率分别提高10.13％和6.04％，分别增产13.36％和9.38％，饲料报酬分别提高5.6％和4.1％。结果表明，Ⅰ、Ⅱ组中药方剂都能提高产蛋率和饲料转化率，但从A、B组间相比，经X2检验两组差异明显。 相似文献
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为探讨生物E蛋白与酶制剂在经高温制粒的断奶仔猪日粮中的饲喂效果,试验选用三元杂交断奶仔猪60头,分为A、B、C3个组,A组为对照组,B、C组为试验组。A组饲喂常规玉米-豆粕型基础日粮,B组添加4%的宝来利来生物E蛋白,C组添加0.2%复合酶。饲养试验结果表明:试验B、C组日增重比对照组A分别高11.88%、3.96%;料肉比A、B、C组分别为2.38、2.17、2.20,B、C组比对照组分别降低9.68%、8.18%;综合经济效益每千克增重饲料成本B组、C组分别为3.72元、3.71元,对照组为3.89元,B组经济效益提高6.06%。 相似文献
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以红薯干２０％、３０％、５０％￣５６％配合基础日粮，分别饲喂前期，中期，后期二元杂交生长育肥猪，对照组饲喂基础日粮，试验组添加８４１复合饲料添加剂。试验从体重２０ｋｇ开始，至９０ｋｇ结束，５批次试验结果，试验组较对照组缩短饲养期５５．５天，日增重增加２１１ｇ，提高５３％，每千克增重降低饲料消耗１．１７ｋｇ，差异均极显著（Ｐ〈０．０１）。 相似文献
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王义桂 《上海畜牧兽医通讯》2013,(3):30-30,33
本试验旨在研究复合VE制剂防治仔猪断奶综合征的效果。19日龄断奶仔猪共计378头，随机分成试验组及对照组A、B各126头，试验组添加1％复合VE制剂14d，A组添加1．25%霉素和1．25％泰乐茵素14d，B组按正常饲粮饲喂，所有仔猪均于21日龄断奶。结果表明：在预防仔猪腹泻、提高仔猪成活率、增进食欲、促生长方面，添加复合vE制剂组明显优于添加金霉素与泰乐茵素组和无添加剂组；在综合经济效益方面，添加复合VE制剂组比添加金霉素与泰乐茵素组多收益13．29元／头，比无添加剂组多收益25．02元／头。 相似文献
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试验将青蒿提取物作为饲料添加剂饲喂断奶仔猪。结果发现:试验组D平均日增重分别比对照组A、试验组B和试验组C提高了23.81%、18.18%、26.83%,差异极显著(P<0.01);对照组A、试验组B、试验组C之间差异不显著(P>0.05)。试验组D平均日采食量分别比对照组A、试验组B、试验组C提高了19.48%、15.00%2、4.32%,差异极显著(P<0.01),试验组A、B、C平均日采食量差异不显著。试验组D料重比比对照组A、试验组B、试验组C下降了3.28%2、.74%、1.67%,差异显著(P<0.05),试验组A、B、C三组之间差异不显著(P>0.05)。 相似文献
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本试验选用杜洛克，长白，大约克三元杂交仔猪80头，采用四处理两重复对比饲养试验：前期（25-50kg)，试验组B，C，D日粮分别添加鲜啤酒糟10%，15%，20%，后期（50-105kg)，试验组日粮分别添加鲜啤酒糟15%，20%，25%，对照组A（CK）全期饲喂基础日粮。经过100天（全期）试验，结果为：试验组B，C，D日增重分别为730.52g,675.78g,626.46g，对照组A（CT）组为729.14g，饮料报酬B，C，D组分别为3.21,3.27,3.33,A(CK)组为3.23，每头猪经济效益为B，C，D组分别为138.06元，112.91元，103.54元，A（CK）组为101.61元。 相似文献
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选用刚出壳黄羽肉鸡120只（母），随机分成4组，A组为对照组，饲喂基础日粮，B、C和D组为试验组，分别饲喂在基础日粮的基础上添加0．2％、0．5％和0．8％谷氨酰胺的日粮。试验期21d。结果表明，日粮中添加一定量的谷氨酰胺对黄羽肉鸡早期体重、平均日增重、饲料转化率和成活率有一定程度的提高，在第一周内添加0．5％～0．8％谷氨酰胺较好，第2、3周添加0．2％～0．5％为宜。 相似文献
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《养殖与饲料．饲料世界》2017,(8)
为研究饲料中添加杆菌肽锌对断奶仔猪的增重效果,选择90头断奶仔猪随机均分为试验组A、试验组B和对照组C,在试验组A饲料中添加杆菌肽锌10 mg/kg,试验组B饲料中添加杆菌肽锌30 mg/kg,对照组正常饲喂,测定仔猪的日增重及饲料转化率。试验表明,适量的杆菌肽锌可以有效提高断奶仔猪日增重和饲料转化率,降低养殖场饲养成本,提高经济效益。 相似文献
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为了研究不同水平膨化血粉对生长鹅生长性能及盲肠微生物菌群的影响,试验选择300只28日龄、体重为(1 142.68±50.64)g的豁眼鹅,随机分为3组(日粮中分别添加1.5%、3.0%、4.5%的膨化血粉),每组设5个重复,每个重复20只鹅,进行为期28 d的饲养试验。结果表明:不同水平的膨化血粉对生长鹅的生长性能有显著的影响,3.0%膨化血粉组的平均日增重、平均日采食量显著高于膨化血粉4.5%组、膨化血粉1.5%组;在料重比方面,3.0%膨化血粉组显著低于其他两组。在3种不同水平的膨化血粉处理中,3.0%膨化血粉组乳酸杆菌和双歧杆菌的数量显著高于其他组,而大肠杆菌的数量却最低;1.5%膨化血粉组乳酸杆菌和双歧杆菌的数量均低于其他组,而大肠杆菌的数量在3种处理中最高。说明在生长鹅的基础日粮中添加3.0%膨化血粉具有较好的应用效果。 相似文献
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Two trials were conducted to assess the acceptance, safety and digestibility of diets containing various inclusion levels of partially defatted black soldier fly (Hermetia illucens) larvae (BSFL) meal and BSFL oil by dogs. In trial 1, 5 extruded diets were evaluated for acceptance in adult Beagle dogs (n = 20; 10 male, 10 female) during a 48-hr period. Diets contained graded levels of BSFL meal (5.0%, 10.0%, and 20.0%), or graded levels of BSFL oil (2.5% and 5.0%), and all diets were well accepted. Thus, a digestibility trial (trial 2) was run with 56 adult dogs (16 male, 40 female) allocated into 7 dietary treatments; dogs were offered an extruded control diet containing no BSFL meal or oil, or extruded diets where BSFL meal partially replaced poultry by-product meal and corn meal at dietary levels of 5%, 10%, or 20% inclusion, or diets with BSFL oil partially replacing poultry fat at a 1:1 ratio at levels of 1%, 2.5%, or 5% inclusion. The treatment diets were fed for 28 d, during which time dogs were monitored for health (via physical examinations, clinical observations, and blood chemistry and hematology) and ingredient evaluation (via body weight, feed consumption, stool observation, and fecal nutrient apparent total tract digestibility). There were no significant differences in body weight or food consumption between treatment groups (P > 0.05) and daily observations indicated that the general health of the animals was maintained throughout the study. Stool quality was maintained at 3.2 to 3.4 (on a 5-point scale with a score of 1 being watery diarrhea and a score of 5 being hard, dry, and crumbly) per treatment group over the fecal observation period (days 22 to 27), indicating a well formed, sticky stool. All group mean hematology and blood chemistry parameters remained within normal limits for dogs. Apparent total tract digestibility of dry matter, protein, fat, and calories was not affected by treatment (P > 0.05). In general, amino acid digestibility was not impacted by treatment although some minor changes were observed. Apparent total tract digestibility was high for all nutrients examined. Overall, it was concluded that BSFL meal and BSFL oil are well tolerated by dogs and their consumption results in no impact to physiology that would be concerning. Based on these data, BSFL meal and oil did not affect general health and could be included safely in dog diets. 相似文献
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The available lysine content of three flash-dried blood meals was determined by use of a pig growth assay. Pigs that were 5 to 6 wk old were fed either one of the reference diets or one of the test diets for the 4-wk period of each assay. The reference diets were a corn-soybean meal basal (B) that was deficient in lysine, B+.1% L-lysine and B+.2% L-lysine. The test diets were B plus 1.5% and 3.0% of blood meal. The available lysine levels (percentage as fed) of ring-dried cattle blood meal, ring-dried swine blood meal and drum-dried cattle blood meal were determined to be 6.9, 7.4 and 6.7, respectively. All three flash-dried blood meals appeared to have similar available lysine levels and a value of 7% lysine may be used to formulate diets containing flash-dried blood meals. Incorporation of 3 or 6% drum-dried blood meal into starter diets improved N retention over a corn-soybean meal diet and did not reduce N-corrected metabolizable energy density of the diet. 相似文献
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D R Finco S A Brown W A Crowell C A Groves J R Duncan J A Barsanti 《American journal of veterinary research》1992,53(1):157-163
Twenty-four dogs with induced, severe chronic renal failure were allotted to 2 groups of 12 each. Group-A dogs were fed a 0.4% phosphorus (P)/0.6% calcium, 32% protein diet, and group-B dogs were fed a 1.4% P/1.9% calcium, 32% protein diet. Dogs were studied over 24 months to determine clinical status, survival, blood biochemical alterations, glomerular filtration rate (GFR), urinary excretion of P and protein, renal morphologic changes, and renal tissue concentrations of calcium, P, and magnesium. Group-A dogs developed statistically significant differences from group-B dogs in several blood biochemical values (PCV and total solids, calcium, P, potassium, sodium, chloride, total CO2 (TCO2), anion gap, and parathyroid hormone concentrations) and in urinary P excretion. Mean (+/- SEM) GFR values in group-A and group-B dogs were nearly identical when diets were initiated (group A = 0.73 +/- 0.05 ml/min/kg of body weight; group B = 0.72 +/- 0.08 ml/min/kg), but significantly (P = 0.0346) lower GFR developed in group-B than in group-A dogs over time. At 24 months, GFR in survivors was 0.83 +/- 0.08 and 0.63 +/- 0.15 ml/min/kg for dogs of groups A and B, respectively. Other measurements favored the hypothesis that P/calcium restriction was beneficial, but values failed to reach statistical significance. Survival was greater at 24 months in group-A than in group-B (7 vs 5) dogs, and renal tissue concentrations of calcium and P were higher in group-B than in group-A dogs. Differences were not detected between groups in urinary excretion of protein and in the type or severity of renal lesions.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
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Influence of dietary composition on gastric emptying and motility in dogs: potential involvement in acute gastric dilatation 总被引：1，自引：0，他引：1
Gastric dilatation-volvulus is a dramatic and life-threatening disease of large-breed dogs. The cause is unknown, but ingestion of dry cereal-based food is frequently incriminated as a predisposing factor. The purpose of this study was to examine the effect of commercial diets on gastric motility and emptying in the dog. Four large-breed dogs were fed 3 different diets (diet A = canned meat-based; B = cereal-based with 77% added water; and C = dry cereal-based) in a randomized block design. Each experiment was done in triplicate. Motility was assessed, using 5 AgAgCl electrodes and 2 strain gauges sutured along the serosa of the stomach and proximal duodenum. Dogs were fed at the same time each day and the time to change from the fed to the fasted pattern of gastrointestinal motility (changeover) was measured. Gastric emptying was assessed by recording gastric radioactivity. After feeding a meal mixed with 99mTc-labeled resin, the log of activity was plotted against time, and the half-time of gastric emptying (t1/2 GE) was calculated. Mean (+/- SEM) times from feeding to changeover for the 3 diets were: diet A, 9.7 +/- 0.9; B, 10.5 +/- 0.4; and C, 11.0 +/- 0.8 hours. Diet had minimal influence on the half time of gastric emptying (diet A, 2.2 +/- 0.3; B, 2.6 +/- 0.4; and C, 2.9 +/- 0.3 hours; P greater than 0.05). The data indicate that gastric motility and emptying in healthy large-breed dogs were not affected by dietary composition. Because most large dogs are fed cereal-based food for reasons of cost and ease of use, these diets may have been wrongly incriminated as a predisposing factor in gastric dilatation-volvulus. 相似文献
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选择27周龄花凤鸡1080只,随机分成6组,每组6个重复,每个重复60只,A、B、C三组分别饲喂15.5%、16.5%、17.3%三个蛋白质水平日粮,A'、B'、C'三组分别饲喂棉籽粕、菜籽粕等蛋白代替A、B、C组日粮中部分豆粕的日粮。6个不同营养水平试验进行产蛋高峰期花凤鸡的营养需要研究。结果表明:产蛋率、料蛋比、耗料量随营养水平的升高而增加,其中C′组显著高于其他各组(P<0.05)。不同营养水平对花凤鸡的蛋重、破软蛋率无显著影响(P>0.05)。综合分析,产蛋高峰期,花凤鸡的营养水平饲喂代谢能为11.26 MJ/kg、蛋白质水平为17.25%的C′组日粮为最佳。 相似文献
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Tôrres CL Backus RC Fascetti AJ Rogers QR 《Journal of animal physiology and animal nutrition》2003,87(9-10):359-372
Taurine (Tau) deficiencies have been associated with the feeding of commercial lamb-meal and rice diets to dogs. We hypothesized that the poor digestibility of some lamb-meals may limit sulphur amino acids availability for Tau synthesis and/or increase of Tau degradation in the gut. Growing dogs were fed either a lamb-meal-based (Diet A) or poultry by-product-based (Diet B) commercial diet. Plasma, whole blood and urinary Tau were measured for 22 weeks. Plasma and whole blood Tau concentrations were similar between the groups throughout the study. Urinary excretion of Tau in dogs fed diet A was 3.2 times greater than that from dogs fed Diet B, suggesting greater renal reabsorption and the need for conservation of Tau in the Diet A group. Food restriction affected Tau status as indicted by a positive correlation of food intake and urinary Tau. Dogs fed Diet A were given antibiotics to inhibit bacterial activity in the gut. Increases in breath hydrogen, indicative of increased bacterial activity, correlated negatively with urinary Tau. Urinary Tau increased by 54% when methionine (Met) was supplemented to Diet A, supporting the suggestion of a low bioavailability of sulphur amino acids and/or an increased fecal loss of Tau in dogs consuming Diet A. 相似文献
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Delaney SJ Kass PH Rogers QR Fascetti AJ 《Journal of animal physiology and animal nutrition》2003,87(5-6):236-244
The objective of the present study was to examine the effect of signalment, body size and diet on plasma taurine and whole blood taurine concentrations. A total of 131 normal dogs consuming commercially prepared dog food had blood drawn 3-5 h post-prandially to be analysed for plasma amino acids and whole blood taurine. Body weight and morphometric measurements of each dog were taken. Plasma and whole blood taurine concentrations were 77 +/- 2.1 nmol/ml (mean +/- SEM) and 266 +/- 5.1 nmol/ml (mean +/- SEM), respectively. No effect of age, sex, body weight, body size, or diet was seen on plasma and whole blood taurine concentrations. Mean whole blood taurine concentrations were lower in dogs fed diets containing whole grain rice, rice bran or barley. The lowest whole blood concentrations were seen in dogs fed lamb or lamb meal and rice diets. Plasma methionine and cysteine concentrations were lower in dogs fed diets with animal meals or turkey, and whole grain rice, rice bran or barley. Fifteen of 131 dogs had plasma taurine concentrations lower than, or equal, to the previously reported lowest mean food-deprived plasma taurine concentration in normal dogs of 49 +/- 5 nmol/ml (mean +/- SEM) (Elliott et al., 2000). These findings support the theory that taurine deficiency in dogs may be related to the consumption of certain dietary ingredients. Scientific and clinical evidence supports the hypothesis that dilated cardiomyopathy is associated with low blood taurine concentration in dogs; therefore, further work is indicated to determine the mechanism by which diet can affect taurine status in dogs. 相似文献
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A J Reynolds G A Reinhart D P Carey D A Simmerman D A Frank F A Kallfelz 《American journal of veterinary research》1999,60(7):789-795
OBJECTIVE: To determine effects of protein intake on blood variables, plasma volume, and maximal oxygen uptake (VO2max) in sled dogs undergoing rigorous training. ANIMALS: 32 Alaskan sled dogs, between 2 and 6 years old. PROCEDURE: Dogs were assigned to 1 of 4 groups on the basis of age, sex, and ability. Isocaloric diets containing 18% (diet A), 23% (diet B), 29% (diet C), or 35% (diet D) of energy as protein were assigned randomly to each group and fed 1 month before and during a 12-week training period. Maximal oxygen uptake was measured at 0 (before training) and 12 weeks. Body weight, protein and energy intake, plasma volume, PCV, hemoglobin concentration, and serum biochemical variables were measured at 0, 8, and 12 weeks. RESULTS: Serum biochemical variables, PCV, and hemoglobin concentration remained within reference ranges for all dogs. Dogs fed diet A had a decrease in VO2max and a greater rate of soft tissue injury throughout training, compared with dogs fed the other diets. At 12 weeks, dogs fed diets C and D had greater serum sodium concentration and hemoglobin concentration than did dogs fed diet A. Dogs fed diet D also had more plasma volume at 12 weeks than did dogs of any other group. CONCLUSIONS AND CLINICAL RELEVANCE: Consumption of a diet with 18% dietary protein on an energy basis (3.0 g of protein/kg of body weight) is insufficient to meet the metabolic requirements of sled dogs in training. For intense interval work, a diet with 35% dietary protein as energy (6.0 g of protein/kg) may provide a performance advantage by promoting an increase in plasma volume. 相似文献
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Zentek J Marquart B Pietrzak T Ballèvre O Rochat F 《Journal of animal physiology and animal nutrition》2003,87(11-12):397-407
Dietary effects on the intestinal microflora have gained increasing interest because of the evidence that a balanced micro ecology in the gut is important for health and well being. The aim of the present study was to evaluate the effect of different diets on faecal counts of bifidobacteria and Clostridium perfringens in dogs. Two extruded, dry diets, one supplemented with 3% chicory (1.5% inulin), a non-digestible oligosaccharide (NDO) and the other with 3% glucose (GLU) were compared with a protein rich diet (PR+) based on low quality animal derived protein sources (NDO 265, GLU 259, PR+ 726 g crude protein/kg dry matter; greaves meal and bovine lung as protein sources in PR+). Nine adult beagles were subjected to a consecutive cross-over trial. All dogs started with diet PR+, after which groups of four dogs (group A) received GLU and the other five dogs (group B) received NDO. After an intermediate wash-out period with diet PR+ for 3 weeks the A dogs were switched to diet NDO and B dogs to GLU. In the final period all dogs were fed with diet PR+. Faecal samples were collected during each period for dry matter and pH measurements. Faecal bifidobacteria and Cl. perfringens were quantified in fresh samples at the end of each feeding period and additionally on the first days after feed change from the dry diets to diet PR+. Diets NDO and GLU increased faecal dry matter and reduced faecal pH from 6.9 to 7.4 with the high protein diet to 5.9-6.5. The dry diets induced a firmer faecal consistency and a lower faecal pH, with no significant difference between NDO or GLU. Clostridium perfringens was found in all faecal specimens after feeding PR+ with counts of log 8.2-8.8 colony forming units (cfu)/g faeces. Both dry diets reduced the counts of Cl. perfringens significantly (log 3.3-4.0 cfu/g faeces). Switching from the dry diets to the high protein diet induced an increase of Cl. perfringens within 1 day, independent of the previous diet. In dogs fed PR+, bifidobacteria were detected in only four faecal samples and exclusively in the initial feeding period. During the remainder of the experiment the counts fell below the detection limit (log 6 cfu/g faeces). The faecal concentrations of bifidobacteria increased with both dry diets. Slightly higher concentrations (log 9.6-9.7 cfu/g faeces) were obtained from dogs fed the dry diet containing NDO compared with the diet containing glucose (log 9.3-9.4 cfu/g faeces). The increase was small which may be related to the level of total fermentable carbohydrates in both diets which alone increase remarkably the total counts of bifidobacteria. In conclusion, distinct dietary effects on the faecal counts of Cl. perfringens and bifidobacteria with a clear antagonistic pattern were observed. The main factor was the protein source and level in the diet. In this case, NDO favoured the concentrations of bifidobacteria to a limited degree. Further studies are needed to evaluate time effects, metabolic consequences and the potential implication for health promotion in pets. 相似文献