Diet and nutrition of range goats on a sarcocaulescent shrubland from Baja California Sur, Mexico

Ramírez-Orduña, Rafael; Ramírez, Rafael; Romero-Vadillo, Eleonora; González‐Rodríguez, Humberto; Armenta-Quintana, J. A.; Avalos-Castro, R.

doi:10.1016/j.smallrumres.2007.12.020

Cited by 19 publications

(20 citation statements)

References 26 publications

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“…Por otro lado, las especies herbáceas tales como Antigonon leptopus, Solanum hindsianum, Ambrosia psilostachya y Amaranthus palmeri fue el cuarto tipo de planta más importante, pero obtuvo el cuarto más elevado en verano y otoño de ambos años. Los pastos tales como Eragrostis pilosa, Sporobolus airoide, Aristida californica, Cenchrus palmeri y Chloris gayana y los agaves tales como Aloe vera fueron el tipo de plantas con IV más bajos a través de los dos años (Cuadro 1), estos resultados concuerdan con los resultados reportados por Ramírez-Orduña et al (2008) Durante las fechas de muestreo los árboles y arbustos no leguminosos y leguminosos comprendieron del 58 al 94 % de la dieta de cabras seguido de hierbas, cactáceas y pastos (Cuadro 1). Las no leguminosas Adelia virgata y Ambrosia Magdalena fueron las especies más consumidas; sin embargo, las leguminosas Prosopis articulata, Acacia peninsularis y Acacia farnesiana estuvieron en mayor proporción a través de todas las fechas de muestreos.…”

Section: Resultados Y Discusiónunclassified

“…Las cactáceas tales como Pachycereus pringlei incrementaron significativamente su contribución a la dieta de cabras durante la primavera. Similarmente, Ramírez-Orduña et al (2008) encontraron que las cabras consumieron y prefirieron frutos de Pachycereus pringlei y plantas leguminosos durante el final de la primavera y comienzo de verano, no obstante, Ramírez et al (1990) reportaron que las dietas de cabras estuvieron compuestas por arbustos 81 %, hierbas 12.3 % y pastos 6.7 % en el noreste de México. Silanikove (2000) revisó resultados de estrategias de pastoreo de arbustos por cabras indicando que los arbustos constituyen al menos 50 % del forraje seleccionado por las cabras como una forma de preservar su adaptación a alimentos ricos en taninos, el xylon brasiletto, Caesalpinia californica and Caesalpinia pannosa) and cactuses (Opuntia cholla, Lemairocereus thurberi, and Pachycereus pringlei).…”

Section: Resultados Y Discusiónunclassified

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Utilización Del Forraje Y Selección De La Dieta Por Cabras Pastando en Un Matorral Sarcocaulescente en El Noroeste De México

Armenta-Quintana¹,

Ramírez-Orduña²,

Ramírez-Lozano³

2011

RCHSCFA

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RESUMENEl agostadero sarcocaulescente es representativo del desierto Sonorense en Baja California Sur, México, de su flora, 92 % son arbustos y 23 % son especies endémicas, sin embargo, el impacto ecológico de la producción animal es desconocido. Los objetivos de este estudio fueron determinar y comparar durante dos años la preferencia y utilización de especies de plantas por caprinos en pastoreo. La colecta de datos de campo se llevó a cabo de junio de 2006, a junio de 2008. Los datos de composición botánica de la dieta y del área de estudio se emplearon para estimar los índices de preferencia y similitud. Se detectaron 78 especies, de las cuales los caprinos utilizaron 41; en cada muestreo, los animales utilizaron de 10 a 24 especies. El índice de similitud medio fue 26 % (16-32 %), la preferencia y la utilización fueron variables entre muestreos. La preferencia no estuvo acorde con la similitud. Este patrón de conducta alimenticia puede ser indicativo de una estrategia conservativa de utilización del forraje por los caprinos. ABSTRACTSarcocaulecent scrubland is representative of the Sonoran Desert of Baja California Sur, Mexico. In this area 92 % of its flora is shrubs and 23 % of these are endemic species, however, the ecological impact of animal production is unknown. The objectives of this study were to determine and to compare during two years the preference and use of plant species by grazing goats. Data field collections were done from June 2006 through June 2008. Botanical composition of diet and the study area data sets were used to estimate preference and similarity indices. In the studied site total plant species were 78 and goats utilized 41 throughout the study, in each collection date goats utilized 10 to 24 species. Mean similarity index was 26 % (16 to 32 %), both preference and utilization were highly variable between collection dates for each plant species. Preference by goats was not in accordance with similarity. This pattern of feeding behavior may indicate a conservative strategy of forage utilization by goats. PALABRAS CLAVE: Cabras enpastoreo, desierto sonorense, utilización de plantas, preferencia de forrajes, hábitos alimenticios KEY WORDS: Ranggoats, sonoran desert, plant utilization, forage preference, feeding behavior.

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Section: Resultados Y Discusiónunclassified

Utilización Del Forraje Y Selección De La Dieta Por Cabras Pastando en Un Matorral Sarcocaulescente en El Noroeste De México

Armenta-Quintana¹,

Ramírez-Orduña²,

Ramírez-Lozano³

2011

RCHSCFA

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“…Goats in this type of vegetation were able to select forages with levels of microminerals considerably above the requirements for maximum growth and the reproductive process. The varied diet of goats in this landscape apparently allowed them to obtain sufficient microminerals in this area where forages used by goats in this ecoregion are deficient in several of these minerals (Ramírez et al, 1990;Ramírez-Orduñ a et al, 2008).…”

Section: Discussionmentioning

confidence: 99%

Selection for nutrients by pregnant goats on a microphyll desert scrub

Mellado

Aguilar

Arévalo

et al. 2011

Animal

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The behavioral consequences of pregnancy in goats were studied to test the hypothesis that pregnant females on rangeland select a diet richer in nutrients once the demands of gestation increase, and that nutrient content in goat diets changes with the grazing season. A total of 12 mature mixed breed goats either pregnant ( n 5 6) or non-pregnant ( n 5 6) were used during the dry period (February to May). Dietary samples obtained from the oral cavity of grazing goats (restrained with a short light rope permanently tightened around their neck) were used for chemical analyses. Across months, pregnant goats selected diets higher ( P , 0.01) in crude protein (CP) than non-pregnant goats; this nutrient did not meet the requirements of late gestating goats. Pregnant goats made use of less ( P , 0.01) fibrous feeds than non-pregnant goats. In order to cope with changing nutrient demands for pregnancy, goats adjusted their diet by increasing the selection of plants with 32% higher calcium content compared to forages selected by non-pregnant goats. The physiological state of goats did not alter the levels of phosphorus (P), magnesium (Mg) and sodium (Na) in their diets; these minerals were adequate to meet the demands of pregnancy. There were no effects of physiological state on concentrations of copper (Cu), zinc (Zn), manganese (Mn) and iron (Fe) in the goat diets during the dry season, with levels adequate for sustainability of pregnancy. Pregnant goats did not seek forages lower in tannins, alkaloids, saponins and terpenes. It was concluded that to cope with increasing pregnancy costs, goats adjusted their diets increasing selection of forages or plant parts with high nutritional value to maximize their net nutrient budget.

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“…Selection of the species. The five woody species with the higher values of ecological characteristics (Alanís- Rodríguez et al 2008, Jiménez-Pérez et al 2009) were selected for this investigation: Acacia berlandieri, Acacia wrightii, Ebenopsis ebano, Havardia pallens and Helietta parvifolia. The choice was made after careful consideration of their growth rate, potential uses and preferences by local populations (Table 1).…”

Section: Methodsmentioning

confidence: 99%

“…Palabras clave: Biomasa foliar, hojarasca, especies leñosas, zona semi-árida. n arid and semi-arid areas where weather conditions are hard for cultivating pasture, grazing depends exclusively on the shrub production (Ramírez et al 2008). Some advantages to use shrubs as forage for animals (von Maydel, 1996) are that, green leaves have high crude protein content throughout most of the year (Ramírez-Orduña 2003); they constitute habitat for wildlife and coverage to prevent soil erosion (González-Rodríguez & Cantú-Silva 2001).…”

Section: Producción De Biomasa Foliar Y Hojarasca De Cinco Especies Lmentioning

confidence: 99%

Foliar biomass production and litterfall pattern of five timber species in forest plantations of semi-arid lands of the northeastern Mexico

et al. 2017

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Background: Fodder shrubs and trees have both economic as well as ecological values in most extensive systems of arid and semiarid regions. Hypothesis: The litterfall represents an important way in maintaining the productivity of these ecosystems, and we hypothesized that its production pattern is related to the foliar biomass production, associated with seasons and species. Studied species: Acacia berlandieri, Acacia wrightii, Ebenopsis ebano, Havardia pallens and Helietta parvifolia. Study site and years of study: The foliar biomass was evaluated seasonally, from the dry weight of a representative branch of each species. The litterfall was collected every 15 days through litter traps installed under tree canopies, in experimental plantations of 30 years old, in the semi-arid zone of northeastern Mexico. Results: The foliar biomass values showed highly significant differences (P < 0.01) among species as well as seasons, whereas leaf litter values presented highly significant differences (P < 0.01) among seasons but not (P > 0.05) among species. The maximum foliar biomass production was registered in summer by E. ebano (9,029 kg ha ). A significant linear correlation (R 2 = 68,79 %) was determined between accumulation of leaf litter and foliar biomass production in autumn. Concluisions: As conclusion, the leaf litter pattern can be related to the foliar biomass production, depending on the seasons and species. That constitutes a practical tool for the management of the forest ecosystems in semiarid areas.

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Diet and nutrition of range goats on a sarcocaulescent shrubland from Baja California Sur, Mexico

Cited by 19 publications

References 26 publications

Utilización Del Forraje Y Selección De La Dieta Por Cabras Pastando en Un Matorral Sarcocaulescente en El Noroeste De México

Utilización Del Forraje Y Selección De La Dieta Por Cabras Pastando en Un Matorral Sarcocaulescente en El Noroeste De México

Selection for nutrients by pregnant goats on a microphyll desert scrub

Foliar biomass production and litterfall pattern of five timber species in forest plantations of semi-arid lands of the northeastern Mexico

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