Effects of Different Feeding Standards on Nutrient Digestion and Utilization of Dorper&times;Thin-Tailed Han Crossbred Meat Lambs

WAN Fan; MA Tao; MA Chen; YANG Dong; TU Yan; DIAO Qiyu; YANG Kailun

doi:10.3969/j.issn.1006-267x.2016.12.014

2016 , Vol. 28 >Issue 12: 3819 - 3827

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.12.014

Molecular Nutrition

Effects of Different Feeding Standards on Nutrient Digestion and Utilization of Dorper×Thin-Tailed Han Crossbred Meat Lambs

WAN Fan ,
MA Tao ,
MA Chen ,
YANG Dong ,
TU Yan ,
DIAO Qiyu ,
YANG Kailun

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1. Xinjiang Agricultural University, Urumqi 830052, China;
2. Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2016-05-12

Online published: 2016-12-17

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Abstract

In order to provide the basis for determination of appropriate feeding standard, this experiment compared the effects of different feeding standards on nutrient apparent digestibility, energy and nitrogen metabolism of Dorper×thin-tailed Han crossbred meat lambs. Six hundreds Dorper×thin-tailed Han crossbred male lambs[(28.30±0.86) kg of body weight] were randomly assigned into 4 groups with 3 replicates in each group and 50 lambs per replicate in a single factor experimental design. The experimental diets were formulated according to the following four feeding standards:feeding standard established by our laboratory (key laboratory of feed biotechnology of the ministry of agriculture, feed research institute, Chinese academy of agricultural sciences) based on the study of nutrient requirements of Dorper×thin-tailed Han crossbred sheep (abbreviated to ‘CARS’), NRC (2007, USA), AFRC (1993, UK) and Feeding Standard OF Meat-Producing Sheep and Goats of Chinese agricultural industry standards (HB, NY/T 816-2004). The experiment lasted for 81 days. Four lambs in each group were selected for a digestion and metabolism trial after the lambs in CARS group reached 37 kg of average body weight, and the pretrial and trial lasted for 7 and 5 days, respectively. The results showed as follows:apparent digestibility of dry matter, organic matter and neutral detergent fiber in CARS group were significantly higher than those in AFRC and NRC groups (P<0.05), and apparent digestibility of acid detergent fiber in CARS group were significantly higher than that in NRC group (P<0.05); digestive energy, metabolizable energy, apparent digestibility of gross energy, metabolizability of gross energy, absorbed nitrogen and apparent digestibility of nitrogen in CARS group were significantly higher than those in AFRC group and NRC groups (P<0.05), but had no significant difference with those in HB group (P>0.05); retained nitrogen and utilization efficiency of nitrogen were not significantly different among all groups (P>0.05). Biological value of nitrogen in NRC group was significantly higher than that in CARS and HB groups (P<0.05). From the aspects of nutrient digestion and utilization and energy and nitrogen metabolism of Dorper×thin-tailed Han crossbred meat lambs, the feeding standard proposed by CARS has advantages over foreign feeding standards.

Key words： feeding standard; meat sheep; requirement; digestion and metabolism

Cite this article

WAN Fan , MA Tao , MA Chen , YANG Dong , TU Yan , DIAO Qiyu , YANG Kailun . Effects of Different Feeding Standards on Nutrient Digestion and Utilization of Dorper×Thin-Tailed Han Crossbred Meat Lambs[J]. Chinese Journal of Animal Nutrition, 2016 , 28(12) : 3819 -3827 . DOI: 10.3969/j.issn.1006-267x.2016.12.014

References

[1] 楼灿,邓凯东,姜成钢,等.饲养水平对肉用绵羊空怀期和哺乳期能量代谢平衡的影响[J].中国农业科学,2016,49(5):988-997.

[2] 许贵善,刁其玉,纪守坤,等.不同饲喂水平对肉用绵羊能量与蛋白质消化代谢的影响[J].中国畜牧杂志,2012,48(17):40-44.

[3] DENG K D,DIAO Q Y,JIANG C G,et al.Energy requirements for maintenance and growth of german mutton merino crossbred lambs[J].Journal of Integrative Agriculture,2013,12(4):670-677.

[4] NIE H T,YOU J H,WANG C L,et al.Energy requirement of hu sheep and dorper sheep hybrid F1 rams[J].Scientia Agricultura Sinica,2012,45(20):4269-4278.

[5] XU G S,MA T,JI S K,et al.Energy requirements for maintenance and growth of early-weaned Dorper crossbred male lambs[J].Livestock Science,2015,177:71-78.

[6] DENG K D,DIAO Q Y,JIANG C G,et a1.Energy requirements for maintenance and growth of Dorper crossbred ram lambs[J].Livestock Science,2012,150(1/2/3):102-110.

[7] DENG K D,JIANG C G,TU Y,et al.Energy requirements of Dorper crossbred ewe lambs[J].Journal of Animal Science,2014,92(5):2161-2169.

[8] 万凡,马涛,马晨,等.不同饲养标准对杜寒杂交肉用绵羊生产和屠宰性能的影响[J].动物营养学报,2016,28(11):

[9] NRC.Nutrient requirements of small ruminants:sheep,goats,cervids,and new world camelids[S].Washington,D.C.:National Academy Press, 2007.

[10] ALDERMAN G.Energy and protein requirements of ruminants:an advisory manual prepared by the AFRC technical committee on responses to nutrients[M].Wallingford:CAB International,1993.

[11] MA T,DENG K D,TU Y,et al.Effect of feed intake on metabolizable protein supply in Dorper×thin-tailed Han crossbred lambs[J].Small Ruminant Research,2015,132:133-136.

[12] GALVANI D B,PIRES C C,KOZLOSKI G V,et al.Energy requirements of Texel crossbred lambs[J].Journal of Animal Science,2008,86(12):3480-3490.

[13] AOAC.Official methods of analysis of AOCO international[S].17th ed.Gaithersburg:AOCO International,Arlington,2000.

[14] ADEOLA O.Digestion and balance techniques in pigs[M]//LEWIS A J, SOUTHERN L L.Swine nutrition.2nd ed.Washington,D.C.:CRC Press,2000:906.

[15] PEREIRA O G,DE SOUZA V G,FILHO S D C V,et al.Intake,digestibility and performance of beef cattle receiving diets containing urea in different proportions consumo e digestibilidade dos nutrientes e desempenho de bovinos de corte recebendo dietas com diferentes níveis de uréia[J].Ciencia Animal Brasileira,2008,9(3):552-562.

[16] 卢德勋.系统动物营养学导论[M].北京:中国农业出版社,2004.

[17] 王娟.饲粮能量和蛋白质水平对CRP配套系商品代生长猪生产性能、消化代谢和血清生化指标的影响[D].硕士学位论文.重庆:西南大学,2007.

[18] SORMUNEN-CRISTIAN R.Effect of barley and oats on feed intake,live weight gain and some carcass characteristics of fattening lambs[J].Small Ruminant Research,2013,109(1):22-27.

[19] 郑琛.不同处理饲粮及不同组合全饲粮颗粒料对绵羊瘤胃内环境和养分消化代谢的影响[D].硕士学位论文.兰州:甘肃农业大学,2004.

[20] 计成.动物营养学[M].北京:高等教育出版社,2008:93-97.

[21] 王文奇,侯广田,罗永明,等.不同精粗比全混合颗粒饲粮对母羊营养物质表观消化率、氮代谢和能量代谢的影响[J].动物营养学报,2014,26(11):3316-3324.

[22] DEVANT M,FERRET A,GASA J,et al.Effects of protein concentration and degradability on performance,ruminal fermentation,and nitrogen metabolism in rapidly growing heifers fed highconcentrate diets from 100 to 230 kg body weight[J].Journal of Animal Science,2000,78(6):1667-1676.

[23] SENA J A B,VILLELA S D J,SANTOS R A,et al.Intake,digestibility,performance,and carcass traits of rams provided with dehydrated passion fruit (Passiflora edulis f. flavicarpa) peel,as a substitute of Tifton 85(Cynodon spp.)[J].Small Ruminant Research,2015,129:18-24.

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