动物营养学报
動物營養學報
동물영양학보
ACTA ZOONUTRIMENTA SINICA
2015年
6期
1779-1786
,共8页
朱宇旌%苏欣%李方方%张鑫%况应谷%郑丽莉%高原%孟玲%郭福来%张勇
硃宇旌%囌訢%李方方%張鑫%況應穀%鄭麗莉%高原%孟玲%郭福來%張勇
주우정%소흔%리방방%장흠%황응곡%정려리%고원%맹령%곽복래%장용
包被氧化锌%断奶仔猪%生长性能%血清生化指标%腹泻率%营养物质表观消化率
包被氧化鋅%斷奶仔豬%生長性能%血清生化指標%腹瀉率%營養物質錶觀消化率
포피양화자%단내자저%생장성능%혈청생화지표%복사솔%영양물질표관소화솔
coated ZnO%weaner piglet%growth performance%serum biochemical indices%diarrhea rate%nu-trient apparent digestibility
本试验通过与未包被氧化锌( ZnO)对比,考察包被氧化锌( C-ZnO)对断奶仔猪生长性能、血清生化指标、营养物质表观消化率影响,旨在研究C-ZnO取代传统ZnO的效果,对生产实践中减少ZnO用量的可能性和加强其效果的可能性进行探讨。选28日龄遗传背景相似、平均体重为(9.32±0.38) kg的断奶大白仔猪120头,随机分成5组,每组4个重复,每个重复6头猪(公母各占1/2)。对照组饲喂基础饲粮,试验组分别在基础饲粮中添加2400 mg/kg ZnO 和1800、2400、2760 mg/kg C-ZnO。试验期为28 d。结果表明：与对照组相比,饲粮中添加2400 mg/kg C-ZnO可极显著提高断奶仔猪的平均日增重(P<0.01),显著降低料重比(P<0.05),极显著降低腹泻率( P<0.01),其中2400 mg/kg C-ZnO组的平均日增重极显著高于ZnO组( P<0.01)。与对照组相比,2400 mg/kg C-ZnO组血清生长激素、免疫球蛋白G、免疫球蛋白M含量极显著升高( P<0.01)；粗蛋白质和粗脂肪的表观消化率极显著改善( P<0.01)；大肠杆菌菌群数量极显著降低( P<0.01),双歧杆菌菌群数量极显著升高( P<0.01)。2400 mg/kg C-ZnO组与ZnO组相比,血清生长激素含量显著提高(P<0.05),碱性磷酸酶活性显著降低(P<0.05)。1800 mg/kg C-ZnO组与ZnO组生长性能、血清指标及营养物质表观消化率差异均不显著( P>0.05)。 ZnO组与对照组相比腹泻率显著降低(P<0.05),其他生长性能指标差异不显著(P>0.05)。本研究结果提示：添加2400 mg/kg C-ZnO可显著提高断奶仔猪的生长性能,改善营养物质消化状况,有效控制仔猪腹泻；1800 mg/kg C-ZnO可替代2400 mg/kg ZnO。
本試驗通過與未包被氧化鋅( ZnO)對比,攷察包被氧化鋅( C-ZnO)對斷奶仔豬生長性能、血清生化指標、營養物質錶觀消化率影響,旨在研究C-ZnO取代傳統ZnO的效果,對生產實踐中減少ZnO用量的可能性和加彊其效果的可能性進行探討。選28日齡遺傳揹景相似、平均體重為(9.32±0.38) kg的斷奶大白仔豬120頭,隨機分成5組,每組4箇重複,每箇重複6頭豬(公母各佔1/2)。對照組飼餵基礎飼糧,試驗組分彆在基礎飼糧中添加2400 mg/kg ZnO 和1800、2400、2760 mg/kg C-ZnO。試驗期為28 d。結果錶明：與對照組相比,飼糧中添加2400 mg/kg C-ZnO可極顯著提高斷奶仔豬的平均日增重(P<0.01),顯著降低料重比(P<0.05),極顯著降低腹瀉率( P<0.01),其中2400 mg/kg C-ZnO組的平均日增重極顯著高于ZnO組( P<0.01)。與對照組相比,2400 mg/kg C-ZnO組血清生長激素、免疫毬蛋白G、免疫毬蛋白M含量極顯著升高( P<0.01)；粗蛋白質和粗脂肪的錶觀消化率極顯著改善( P<0.01)；大腸桿菌菌群數量極顯著降低( P<0.01),雙歧桿菌菌群數量極顯著升高( P<0.01)。2400 mg/kg C-ZnO組與ZnO組相比,血清生長激素含量顯著提高(P<0.05),堿性燐痠酶活性顯著降低(P<0.05)。1800 mg/kg C-ZnO組與ZnO組生長性能、血清指標及營養物質錶觀消化率差異均不顯著( P>0.05)。 ZnO組與對照組相比腹瀉率顯著降低(P<0.05),其他生長性能指標差異不顯著(P>0.05)。本研究結果提示：添加2400 mg/kg C-ZnO可顯著提高斷奶仔豬的生長性能,改善營養物質消化狀況,有效控製仔豬腹瀉；1800 mg/kg C-ZnO可替代2400 mg/kg ZnO。
본시험통과여미포피양화자( ZnO)대비,고찰포피양화자( C-ZnO)대단내자저생장성능、혈청생화지표、영양물질표관소화솔영향,지재연구C-ZnO취대전통ZnO적효과,대생산실천중감소ZnO용량적가능성화가강기효과적가능성진행탐토。선28일령유전배경상사、평균체중위(9.32±0.38) kg적단내대백자저120두,수궤분성5조,매조4개중복,매개중복6두저(공모각점1/2)。대조조사위기출사량,시험조분별재기출사량중첨가2400 mg/kg ZnO 화1800、2400、2760 mg/kg C-ZnO。시험기위28 d。결과표명：여대조조상비,사량중첨가2400 mg/kg C-ZnO가겁현저제고단내자저적평균일증중(P<0.01),현저강저료중비(P<0.05),겁현저강저복사솔( P<0.01),기중2400 mg/kg C-ZnO조적평균일증중겁현저고우ZnO조( P<0.01)。여대조조상비,2400 mg/kg C-ZnO조혈청생장격소、면역구단백G、면역구단백M함량겁현저승고( P<0.01)；조단백질화조지방적표관소화솔겁현저개선( P<0.01)；대장간균균군수량겁현저강저( P<0.01),쌍기간균균군수량겁현저승고( P<0.01)。2400 mg/kg C-ZnO조여ZnO조상비,혈청생장격소함량현저제고(P<0.05),감성린산매활성현저강저(P<0.05)。1800 mg/kg C-ZnO조여ZnO조생장성능、혈청지표급영양물질표관소화솔차이균불현저( P>0.05)。 ZnO조여대조조상비복사솔현저강저(P<0.05),기타생장성능지표차이불현저(P>0.05)。본연구결과제시：첨가2400 mg/kg C-ZnO가현저제고단내자저적생장성능,개선영양물질소화상황,유효공제자저복사；1800 mg/kg C-ZnO가체대2400 mg/kg ZnO。
This trial was conducted to study the effects of coated ZnO ( C-ZnO) on the growth performance, the serum biochemical indices and nutrient apparent digestibility of weaner piglets, by compared with uncoated ZnO, aimed at research the effects of C-ZnO instead of traditional ZnO, and discussed production practice to reduce the possibility of the dosage of ZnO and enhance its effect. A total of 120 Large-White weaner piglets were randomly divided into 5 groups with 4 replicates per group and 6 piglets per replicate. Piglets in control group were fed a basal diet, the four groups were fed the basal diet supplemented with 2 400 mg/kg ZnO and 1 800, 2 400, 2 740 mg/kg C-ZnO, respectively. The trial lasted for 28 days. The results showed as follows:compared with control group, the average daily gain in the group supplemented with 2 400 mg/kg C-ZnO was increased significantly ( P<0.01) , the ratio of feed to gain was decreased significantly ( P<0.05) , and the di-arrhea rate was decreased significantly ( P<0.01) . The average daily gain of 2 400 mg/kg C-ZnO group was significantly higher than that of ZnO group ( P<0. 01 ) . Compared with control group, serum contents of growth hormone ( GH) , immunoglobulin G ( IgG) , immunoglobulin M ( IgM) and the digestibility of crude protein and ether extract were significantly increased in 2 400 mg/kg C-ZnO group ( P<0.01) . Compared with control group, a significant reduction in E. coli number ( P<0.01) and a significantly increase in Bifidobacteria number were also observed in 2 400 mg/kg C-ZnO group ( P<0.01) . Compared with ZnO group, serum GH content was significantly increased (P<0.05) and alkline phosphatase (AKP) activity was significantly de-creased ( P<0.05) in 2 400 mg/kg C-ZnO group. There were no differences in the growth performance, serum indices and nutrients apparent digestibility between the 1 800 mg/kg C-ZnO and ZnO groups ( P>0.05) . The diarrhea rate in ZnO groups was significantly decreased ( P<0.05) compared with control group, but the other growth performance had no significant difference ( P>0.05) . In conclusion, supplementation of 2 400 mg/kg coated ZnO in weaner piglets diet can improve the growth performance, improve the nutrient digestible situa-tion and control the diarrhea rate. The effect of 2 400 mg/kg uncoated ZnO is similar to that of 1 800 mg/kg coated one.
