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	Effects of variety, sowing season and maturity stage on ruminal phosphorus release from whole maize stover and its morphological fractions
	Tang, S. X.1,2; Sheng, L. X.1; Zhou, C. S.1; Tan, Z. L.1; Liao, H. Y.3; Wang, M.1; Sun, Z. H.1; Han, X. F.1; Bamikole, M. A.4
刊名	Journal of animal physiology and animal nutrition
	2010-10-01
卷号	94期号:5页码:E49-e58
关键词	Maize variety Sowing season Maturity Phosphorus Maize stover
ISSN号	0931-2439
DOI	10.1111/j.1439-0396.2009.00974.x
通讯作者	Tan, z. l.(zltan@isa.ac.cn)
英文摘要	P>an in situ degradation technique was used to investigate the effects of variety, season and maturity stage on ruminal phosphorus (p) release from whole maize stover and morphological fractions from five varieties of maize (conventional maize, cm; sweet maize, sm; waxy maize, wm; high oil maize, hom; and fodder maize, fm). maize plants were harvested in 2005, 17 and 31 days after tasselling and manually separated into leaf blade, leaf sheath, stem and husk. results showed that the values of rapidly released p fractions (a), slowly released p fractions (b), rate constant of p release for fraction b (c) and effective disappearance (ed) of p were significantly influenced by variety, sowing season and maturity stage (p < 0.05). the ed of p in whole maize stover among the varieties decreased in the following order: fm (89.8%) > hom (87.9%) > cm (87.0%) > sm (86.9%) > wm (83.9%). advanced maturity stage increased (p < 0.001) the a and ed values of p in the leaf blade and leaf sheath, but decreased (p < 0.001) these parameters in the husk. the a fraction and ed of p were higher (p < 0.001) for maize sown in spring than those sown in summer. significant (p < 0.05) interactions among variety, sowing season and maturity stage were noted in the a and ed values of p. effective disappearance of morphological fraction varied significantly (p < 0.001) and followed the order: stem (90.3%) > leaf sheath (88.2%) > leaf blade (85.2%) > husk (84.9%). in conclusion, most of p in maize stover could be released in the rumen. the potential pollution resulting from p excretion in faeces may be alleviated, when maize stover is largely used as the main forage source of ruminants.
WOS关键词	PROTEIN DEGRADABILITY ; ITALIAN RYEGRASS ; VOLUNTARY INTAKE ; DIGESTIVE-TRACT ; STEM FRACTIONS ; RETENTION TIME ; WHEAT-STRAW ; SHEEP ; RUMEN ; DIGESTIBILITY
WOS研究方向	Agriculture ; Veterinary Sciences
WOS类目	Agriculture, Dairy & Animal Science ; Veterinary Sciences
语种	英语
出版者	WILEY-BLACKWELL PUBLISHING, INC
WOS记录号	WOS:000281829600005
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2408400
专题	中国科学院大学
通讯作者	Tan, Z. L.
作者单位	1.Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Hunan First Normal Coll, Dept Math & Sci, Changsha 410002, Hunan, Peoples R China 4.Univ Benin, Dept Anim Sci, Benin, Nigeria
推荐引用方式 GB/T 7714	Tang, S. X.,Sheng, L. X.,Zhou, C. S.,et al. Effects of variety, sowing season and maturity stage on ruminal phosphorus release from whole maize stover and its morphological fractions[J]. Journal of animal physiology and animal nutrition,2010,94(5):E49-e58.
APA	Tang, S. X..,Sheng, L. X..,Zhou, C. S..,Tan, Z. L..,Liao, H. Y..,...&Bamikole, M. A..(2010).Effects of variety, sowing season and maturity stage on ruminal phosphorus release from whole maize stover and its morphological fractions.Journal of animal physiology and animal nutrition,94(5),E49-e58.
MLA	Tang, S. X.,et al."Effects of variety, sowing season and maturity stage on ruminal phosphorus release from whole maize stover and its morphological fractions".Journal of animal physiology and animal nutrition 94.5(2010):E49-e58.

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