The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

Montoya, E.; Chará, Julián; Rosales, Rolando Barahona

doi:10.1590/1089-6891v18e-40419

Cited by 4 publications

(6 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Another example is Lucerna farm, where in the 1990s African star grass (Cynodon plectostachyus) monocultures supported a stocking rate of 3.5 cows/ha and produced 9,000 L milk/ha/yr, but required N fertilizer application (450-500 kg urea/ha/yr). Since converting to ISPS with 10,000 L. leucocephala shrubs/ha, the same farm now supports up to 4.5 cows per hectare, produces 15,000 L milk/ha/yr and requires no fertilizer or concentrate feeds on areas that have had 28 years of continuous production (Chará et al 2017;Rivera-Herrera et al 2017).…”

Section: Intensive Silvopastoral Systems With Leucaena Leucocephala For Milk Productionmentioning

confidence: 99%

“…during periods of El Niño. The shade provided by the trees reduces soil moisture losses and soil biological activity is increased, especially dung beetle activity, allowing the resilience of the system through periods of drought (Chará et al 2017).…”

Section: Intensive Silvopastoral Systems With Leucaena Leucocephala For Milk Productionmentioning

confidence: 99%

“…Intensive silvopastoral systems (ISPS) have been advanced as sustainable strategies in the tropics to increase the availability and quality of forage throughout the year for milk production from cattle (Chará et al 2017). In addition, these systems are claimed to reduce or reverse the negative environmental impacts of cattle ranching, while increasing animal production and economic performance.…”

Section: Introductionmentioning

confidence: 99%

“…ISPS are a type of silvopastoral system that combines high-density cultivation of fodder shrubs (4,000-40,000 plants/ha) with: (i) improved tropical grasses; and (ii) tree or palm species at densities of 100-600 trees/ha. These systems are rotationally grazed for periods of 12-24 hours followed by 40-50 day resting periods (Chará et al 2017) (Figures 1 and 2). On the other hand, typical traditional systems in Colombia are characterized by: low stocking rates (fewer than 0.6 AU/ha; AU = 450 kg dry animal), the use of grass monocultures, low biomass and animal production, low fodder quality and low animal reproductive performance (González et al 2015).…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Tropical Grasslands-Forrajes Tropicales Vol.7 No.4 [Sep 2019]

Journal¹

2019

Trop. grassl.-Forrajes trop.

View full text Add to dashboard Cite

Leucaena leucocephala has played a key role in the development of sustainable cattle ranching in Latin America. This species is the backbone of the so-called Intensive Silvopastoral Systems (ISPS) that combine high-density cultivation of leucaena as fodder shrubs (4,000-40,000 plants/ha) with grasses and trees. The layers of vegetation added by shrubs and trees increase the system's capacity for transforming solar energy into biomass and enhance habitat complexity. Although part of the biomass is transformed into livestock products, a significant amount is deposited as litter on the soil and, along with the nitrogen fixed by leucaena and other trees, has positive effects on soil properties and grass production. The increased complexity of the system has measurable effects on biodiversity. ISPS with leucaena support more species of birds, ants, dung beetles and woody plants than conventional pasture monocultures, contribute to landscape-scale connectivity and provide environmental services. They also enhance animal welfare through reduced heat stress and improved availability and quality of fodder resources. ISPS contribute to climate change mitigation by improving above-and below-ground carbon sequestration and by cutting down greenhouse gas emissions per units of dry matter consumed and cattle product. Although these systems have been successfully implemented in Colombia, Mexico and other countries, their adoption is still limited in relation to the area suitable for their introduction.

show abstract

Section: Intensive Silvopastoral Systems With Leucaena Leucocephala For Milk Productionmentioning

confidence: 99%

Section: Intensive Silvopastoral Systems With Leucaena Leucocephala For Milk Productionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Tropical Grasslands-Forrajes Tropicales Vol.7 No.4 [Sep 2019]

Journal¹

2019

Trop. grassl.-Forrajes trop.

View full text Add to dashboard Cite

show abstract

“…In animal production, the main objective of feed formulation is to provide a balanced nutrition to support physiological functions such as growth, maintenance, reproduction, and lactation as well as energy source for physical and metabolic activities [1]. Research on farm animals have demonstrated that growth rate and milk production depend on the availability of nutrients including amino acids, fatty acids, minerals, glucose, or other substrates [2][3][4]. In addition, the nutritional requirements of the animal changes depending on different life stages of the animal as well the animals' roles, for example, as seed stock, breeders, or protein providers.…”

Section: Introductionmentioning

confidence: 99%

Precision animal feed formulation: An evolutionary multi-objective approach

Uyeh

Pamulapati

Mallipeddi

et al. 2019

Animal Feed Science and Technology

View full text Add to dashboard Cite

Most livestock producers aim for optimal ways of feeding their animals. Conventional algorithms approach optimum feed formulation by minimizing feed costs while satisfying constraints related to nutritional requirements of the animal. The optimization process needs to be performed every time a nutritional requirement is changed due to the nonlinear relationship between the relaxation of the different nutritional requirements and the feed cost. Consequently, decision-making becomes a time-consuming trial and error process. In addition, the nonlinear relationship changes depending on the type of materials used, their nutritional compositions and costs as well as the animal's nutritional requirements. Therefore, in this work, we formulated a multi-objective feed formulation problem comprising of two objects -a) minimizing feed cost and b) minimizing deviation from the specified requirements. The problem is solved using a population-based evolutionary multi-objective optimization algorithm (NSGA-II) that results in an optimal set of comprised solutions in a single run. The availability of the entire set of comprised solutions facilitates the understanding of the relationship between different nutritional requirements and cost, thus leading to a more efficient decision-making process. We demonstrated the applicability of the proposed method by performing experimental simulations on several cases of dairy and beef cattle feed formulation.

show abstract

Fases de desarrollo y propagación de ecotipos destacados de Tithonia diversifolia (Hemsl.) A. Gray

Rivera-Herrera

Ruíz-Vásquez²,

Chará

et al. 2021

Rev. Mex. Cienc. Pecu.

Self Cite

View full text Add to dashboard Cite

La propagación eficiente de especies vegetales con alto potencial alimenticio juega un papel fundamental en su adopción y utilización por parte de los productores. Es importante, por tanto, desarrollar métodos económicos y rápidos para el establecimiento exitoso de sistemas más productivos. Con el objetivo de conocer algunos aspectos reproductivos de diferentes genotipos destacados de T. diversifolia y así favorecer su propagación y mejorar su uso en la alimentación animal, se evaluó su potencial de germinación, producción de semilla y duración del ciclo reproductivo. Se usaron 42 parcelas en un diseño de bloques completos al azar con siete genotipos de T. diversifolia y dos niveles (sin y con fertilización). Los genotipos tuvieron diferencias en todas las variables agronómicas y de producción de semilla a excepción del tiempo de secado de aquenios y en el porcentaje de semillas rudimentarias (P<0.01). Con relación a la producción de semilla sexual, la fertilización tuvo efecto significativo (P<0.05) y en general incrementó el tiempo de las fases evaluadas. La mayor producción de semilla se dio en los genotipos 7 y 5 y el porcentaje de germinación tuvo diferencias significativas entre genotipos y entre los tratamientos pre-germinativos (P=0.0001) con mayores porcentajes en los genotipos 3 y 6. Se concluye que a pesar de la baja viabilidad de la semilla sexual de T. diversifolia, existen genotipos con un mayor potencial de producción de semilla y porcentaje de germinación, parámetros que pueden ser mejorados por medio de tratamientos pre-germinativos y el uso de fertilizantes.

show abstract

The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

Cited by 4 publications

References 9 publications

Tropical Grasslands-Forrajes Tropicales Vol.7 No.4 [Sep 2019]

Tropical Grasslands-Forrajes Tropicales Vol.7 No.4 [Sep 2019]

Precision animal feed formulation: An evolutionary multi-objective approach

Fases de desarrollo y propagación de ecotipos destacados de Tithonia diversifolia (Hemsl.) A. Gray

Contact Info

Product

Resources

About