Results 31 to 40 of about 11,045 (187)

ESTIMATION OF ENTERIC METHANE EMISSIONS IN SMALL-SCALE BOVINE MILK PRODUCTION SYSTEMS UNDER DIFFERENT FEEDING STR

open access: yesTropical and Subtropical Agroecosystems, 2021
Background: Small-scale dairy systems are a development option, and in Mexico they represent over 78% of dairy farms providing 37% of milk production.
Sirley Carrillo-Hernández   +5 more
doaj   +1 more source

Crecimiento neto, eficiencia de pastoreo y estructura de una pastura de alfalfa (Medicago sativa L.) utilizada con diferentes alturas de pastoreo [PDF]

open access: yes, 2023
La alfalfa (Medicago sativa L.) es la leguminosa forrajera de mayor producción de materia seca digestible en suelos profundos, bien aireados, neutros y fértiles de la región pampeana.
Chimento, Manuel Martin
core  

Factores asociados a la invasión de pajas en bosques de la región semiárida central argentina

open access: yesEcología Austral, 2014
Ecología Austral, 24:320-326 (2014) En los bosques de caldén (Prosopis caldenia) de la región semiárida central argentina, las pajas nativas no palatables C3 (Jarava ichu y Nassella tenuissima) han expandido su rango de distribución y abundancia ...
Ruth Rauber   +3 more
doaj   +1 more source

Con pastoreo rotacional aumenta producción de carne. [PDF]

open access: yes, 1983
La actividad pecuaria exige técnicas que optimicen la relación suelo-planta-animal de tal manera que la producción de leche o carne se incremente y, con esto, la rentabilidad.
Cadavid, J.V.
core   +2 more sources

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

open access: yesEcological Entomology, EarlyView.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley   +2 more
wiley   +1 more source

Suplementación con bloques multinutricionales para rumiantes en pastoreo

open access: yesBrazilian Journal of Development, 2023
Para los sistemas de producción de carne y leche de rumiantes en pastoreo, las empresas ganaderas tienen que mantener un sistema de producción rentable durante todo el año, por lo que se busca suplementar durante las épocas críticas con un suplemento de innovación tecnológica de bajo costo, como es el uso de los bloques multinutricionales.
Armando Pacheco Hernández   +5 more
openaire   +1 more source

Unveiling human–wildlife interactions in the context of livestock grazing abandonment and the return of large carnivores, ungulates and vultures: A stakeholder perspective

open access: yesPeople and Nature, Volume 8, Issue 7, Page 2078-2090, July 2026.
Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes   +4 more
wiley   +1 more source

Diapriinae Wasps (Hymenoptera: Diaprioidea: Diapriidae) Associated with Ants (Hymenoptera: Formicidae) in Argentina

open access: yesPsyche: A Journal of Entomology, Volume 2013, Issue 1, 2013., 2013
We provide an overview of diapriid wasps associated with ants in Argentina and the diversity of interactions they have developed with their hosts. As a result, we report 16 species of nine genera of Diapriinae, two new geographic distributions, three new association records, illustrations, and photographs.
Marta S. Loiácono   +3 more
wiley   +1 more source

The Ant Genus Dorymyrmex Mayr (Hymenoptera: Formicidae: Dolichoderinae) in Colombia

open access: yesPsyche: A Journal of Entomology, Volume 2012, Issue 1, 2012., 2012
The aim of this paper is to actualize the taxonomy of Dorymyrmex, by addressing problems at both the genus and the species levels. We also explore the taxonomy and distribution of Dorymyrmex in Colombia. We list, diagnose, and key nine species in the country, including three new species: Dorymyrmex amazonicus n. sp.
Fabiana Cuezzo   +2 more
wiley   +1 more source

Variación día-día de la tasa de pastoreo zooplanctónico frente a Baja California, México [PDF]

open access: yes, 1989
En una estación localizada a 5 km al suroeste de Punta Banda, B.C., se efectuaron muestreos para realizar experimentos de pastoreo por zooplancton, utilizando carbono-14 como trazador del 26 de Junio al 10 de Julio de 1986.
Jorge García Pámanes
core  

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