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dc.contributor.author	J. F. Vázquez-Armijo
dc.contributor.author	R. Rojo
dc.contributor.author	R. M. García
dc.contributor.author	D. López
dc.contributor.author	A.F.Z. Salem
dc.contributor.author	I. A. Domínguez
dc.contributor.author	N. Pescador
dc.contributor.author	J. L. Tinoco
dc.creator	J. F. Vázquez-Armijo
dc.creator	R. Rojo
dc.creator	R. M. García
dc.creator	D. López
dc.creator	A.F.Z. Salem
dc.creator	I. A. Domínguez
dc.creator	N. Pescador
dc.creator	J. L. Tinoco
dc.date	2011
dc.date.accessioned	2016-03-16T17:19:12Z
dc.date.available	2016-03-16T17:19:12Z
dc.identifier	http://www.redalyc.org/articulo.oa?id=93915703033
dc.identifier.uri	http://hdl.handle.net/20.500.11799/39957
dc.description	The effect of season (rainy: RS, and dry: DS) and reproductive status on copper (Cu) and zinc (Zn) concentrations in blood serum of crossbred goats (BW= 36.01 ± 1.59 kg) were studied under semiarid rangeland conditions in Southern Mexico State. Blood samples from 80 crossbred goats were taken each season (RS and DS). The goats were clustered into 10 different groups considering their reproductive status. Concentrations of Cu and Zn in serum were assayed using atomic absorption. Data were analyzed using a general linear model procedure for a completely randomized design and differences among means were examined using a Tukey test. Blood serum concentrations of Cu and Zn were affected by reproductive status and season (P<0.001). In relation to the season, Cu and Zn serum levels were lower in RS than DS (P<0.05). Overall, kidded goats had the highest values (P<0.01) for Cu than other animals in both seasons (RS or DS). Anestrous goats had the lowest concentrations (P<0.01) for Zn during RS, while all goats at their second or more kidding, rearing single or twins, showed the highest concentrations of Zn (P<0.001) in this season. Adult goats in Southern Mexico State showed a deficiency of Cu and Zn, especially during RS. As such, mineral supplements should be provided with respect to these elements in feeding systems for goats under semiarid rangeland conditions in order to evaluate their impact on health and reproduction.
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad Autónoma de Yucatán
dc.relation	http://www.redalyc.org/revista.oa?id=939
dc.rights	openAcess
dc.rights	Tropical and Subtropical Agroecosystems
dc.source	Tropical and Subtropical Agroecosystems (México) Num.1 Vol.14
dc.subject	Agrociencias
dc.subject	Blood serum
dc.subject	goats
dc.subject	season
dc.subject	trace elements
dc.title	EFFECT OF SEASON ON SERUM COPPER AND ZINC CONCENTRATIONS IN CROSSBRED GOATS HAVING DIFFERENT REPRODUCTIVE STATUS UNDER SEMIARID RANGELAND CONDITIONS IN SOUTHERN MEXICO STATE
dc.type	Artículo
dc.provenance	Científica
dc.road	Dorada

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