|
|
|
| Registros recuperados: 26 | |
|
|
| Euclides,Valéria Pacheco Batista; Montagner,Denise Baptaglin; Barbosa,Rodrigo Amorim; Valle,Cacilda Borges do; Nantes,Nayana Nazareth. |
| ABSTRACT The objective of the present study was to evaluate live weight gain per animal and per area and its relationship with the characteristics of pastures of Brachiaria brizantha cv. Paiaguás and Piatã. A randomized blocks experimental design was used, with two treatments and six replicates. The experimental area was 8.0 ha, divided into twelve paddocks of 0.67 ha. The grazing method used was continuous stocking, with variable stocking rate. Three tester steers were used per paddock. Sward heights were measured once a week, and the stocking rate (SR) was adjusted using regulator steers to maintain the sward height at 30 cm. Pasture samples were collected once a month, and herbage accumulation rate (HAR), percentage of leaves (PL), leaf:stem ratio... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cattle; Canopy structure; Herbage accumulation; Nutritive value; Stocking rate. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000300085 |
| |
|
|
| Euclides,Valéria Pacheco Batista; Nantes,Nayana Nazareth; Montagner,Denise Baptaglin; Araújo,Alexandre Romeiro de; Barbosa,Rodrigo Amorim; Zimmer,Ademir Hugo; Valle,Cacilda Borges do. |
| ABSTRACT The objective of this two-year study was to evaluate live weight gain per animal and per area and their relationships with the characteristics of BRS Ipyporã (Brachiaria ruziziensis × Brachiaria brizantha) and Marandu (Brachiaria brizantha) pastures. A completely randomized block design was used with two treatments and four replicates. The grazing method was rotational stocking, with variable stocking rate. Stocking rate was adjusted twice a week during the grazing period (six or seven days) and post-grazing canopy height target of 15 cm. Animals were weighed every 28 days. Pastures were evaluated pre-grazing to estimate forage accumulation rate, forage mass (FM), leaf (LP) and stem (SP) percentages, and nutritive value. In the post-grazing, FM,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Canopy structure; Forage accumulation; Nutritive value; Stocking rate. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100304 |
| |
|
|
| Adami,Paulo Fernando; Soares,André Brugnara; Assmann,Tangriani Simione; Assmann,Alceu Luiz; Sartor,Laércio Ricardo; Pitta,Christiano Santos Rocha; Franchin,Marcia Fernanda; Migliorini,Francisco. |
| This work aimed to evaluate the effects of grazing intensities and nitrogen fertilization levels on the dynamics of a Brachiaria plantaginea pasture. The experiment was laid out as a random block design, in a 3 × 2 factorial scheme, composed of three nitrogen levels (0, 200 and 400 kg/ha nitrogen in urea form) and two grazing intensities termed low mass (LM; forage mass of 1500 kg of DM/ha) and high mass (HM; forage mass of 3000 kg of DM/ha) in a continuously stocked swards with two replications. Animals used were half-blood Boer goats averaging five months old and 21 kg body weight (BW) for adjustment of the target forage mass. Real forage mass, average height of the plants and animal stocking rates were of 2,567 and 3,862 kg DM/ha; 23.6 and 31.2 cm and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brachiaria plantaginea; Forage production; Forage nutritive value; Forage sward; Reseeding; Stocking rate. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010001200003 |
| |
|
|
| Silva,Cláudio José Araújo da; Fernandes,Sergio Rodrigo; Silva,Marina Gabriela Berchiol da; Monteiro,Alda Lúcia Gomes; Poli,César Henrique Espírito Candal; Prado,Odilei Rogerio; McMannus,Concepta; Gilaverte,Susana. |
| The influence of early weaning and concentrate supplementation strategies on sward characteristics, forage chemical composition and lamb productivity were evaluated in four production systems on Tifton-85 pasture: suckling lambs not supplemented until slaughter; suckling lambs supplemented with concentrate in creep feeding until slaughter; early-weaned lambs not supplemented until slaughter; and early-weaned lambs supplemented with concentrate until slaughter. Structural, morphological and productive characteristics of pasture were measured. The forage was chemically analyzed to estimate its composition. Lambs average daily gain and productivity were calculated. Sward height, forage and morphological components mass were lower in systems without weaning.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Average daily gain; Creep feeding; Leaf:stem ratio; Productivity; Stocking rate. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000800428 |
| |
|
| |
|
| |
|
|
| Anjos, Amanda Nunes Assis dos; Olivo, Clair Jorge; Sauter, Caroline Paim; Silva, Aline Rodrigues; Santos, Fabiene Tomazetti dos; Seibt, Daiane Cristine. |
| Three grazing systems with Coastcross-1 bermuda grass (CC) + 100 kg N ha-1 year-1 + common vetch; CC + 100 kg N ha-1 year-1 + arrowleaf clover; and CC + 200 kg N ha-1 year-1 were evaluated. Thirteen grazing cycles were performed during the experimental period (313 days), with two, five, four and two cycles respectively in winter, spring, summer and fall. Lactating Holstein cows were used in the evaluation. Daily accumulation rate, forage production, rate of forage disappearance, agronomic intake, grazing efficiency, herbage allowance and stocking rate were evaluated. Mean rates of forage yield and stocking rate were 20.8; 17.6 and 19.7 t DM ha-1 and 7.0; 6.8 to 6.8 animal units ha-1 day-1 for the respective forage systems. The mixture Coastcross-1 plus... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.04.00.00-2; 5.04.04.00-8 Cynodon; Lactating cows; Stocking rate; Trifolium vesiculosum; Vicia sativa.. |
| Ano: 2016 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/31114 |
| |
|
| |
|
|
| 本江, 昭夫; HONGO, Akio. |
| In the Himalayas, domesticated yak is fed at an altitudinal range of 3,000 to 5,000m. Below this zone, the cow is more common. Hybrids are fed at an intermediate zone. In order to analyze the genetic basis of milk protein variation, milk samples were taken from the nak (female yak), cow and their hybrid. By principle component analysis, yak and a highland type of cow (kirmcome) were clearly distinguished from midland (shakzam) and lowland (palang) cows. Local Sherpa people may produce suitable animals for each zone by controlling animal reproduction systems. Generally speaking, a sustainable stocking rate is two adult animals per hectare in the central Himalayas. However, most pastures were overgrazed 3 to 10 times more than this level. The feedstuff... |
|
Palavras-chave: Cow; Fodder tree; Hybrid; Stocking rate; Yak; ウシ; 飼料木; 雑種; 放牧圧; ヤク. |
| Ano: 1996 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3006 |
| |
|
|
| Brambilla,Daniel Martins; Nabinger,Carlos; Kunrath,Taise Robinson; Carvalho,Paulo César de Faccio; Carassai,Igor Justin; Cadenazzi,Mónica. |
| The overseeding of ryegrass (Lolium multiflorum Lam) on sub-tropical native pastures increases the availability and quality of forage in the cold season. However, soil chemical amendment and nitrogen use can affect the floristic composition, with consequences to the primary and secondary production. In a randomized complete block design with three replications, the effect of nitrogen fertilization (40, 90 and 140 kg/ha of nitrogen) on native pasture overseeded with ryegrass in two consecutive years was assessed regarding production and composition of pasture and performance of beef calves. In both years, the forage accumulation rate and forage production responded linearly to the increase in nitrogen rates as a result of increased participation of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Average daily gain; Forage accumulation rate; Lolium multiflorum; Stocking rate. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300008 |
| |
|
|
| Lampert,Vinícius do Nascimento; Canozzi,Maria Eugênia Andrighetto; McManus,Concepta Margaret; Dill,Matheus Dhein; Oliveira,Tamara Esteves de; Mercio,Thomaz Zara; Teixeira,Odilene de Souza; Barcellos,Júlio Otávio Jardim. |
| ABSTRACT Traditional livestock productivity is hard to estimate, since it depends on a gamut of animal production indicators that are difficult to measure for many farms. Thus, we propose an analytical method for estimating productivity and understanding the importance of animal production indicators under different full-cycle cattle production systems in Brazil. To evaluate the impact of these indicators, equations were derived from a comutational model of herd evolution for estimating the output parameters of the system as follows: productivity per hectare (PH) and offtake rate (COR), as a function of the indicators; calving rate (CR), mating age (AM), age of slaughter (AS) and stocking rate (SR). For this analysis, twenty-seven scenarios (simulation... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Adoption of technology; Animal production; Management; Stocking rate. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000400502 |
| |
|
| |
|
| |
|
|
| Jaurena,Martin; Lezama,Felipe; Cruz,Pablo. |
| Natural grasslands in the basaltic region of Uruguay are threatened by an increase in stocking rates and changes in land use. To assess the effect of grazing intensification, plant functional types are proposed as simple tools to aid the monitoring and management of vegetation. In the present study we evaluated the effect of stocking rate increase at community level taking into account plant traits of 23 dominant perennial grass species. In order to identify plant functional types, we determined the grazing response in an experiment with two wethers stocking rates (0.78 and 1.56 livestock units ha-1) quantifying species cover and traits values. Leaf dry matter content (LDMC) and specific leaf area (SLA) were the traits that best described the perennial... |
| Tipo: Journal article |
Palavras-chave: Natural grasslands; Diagnosis; Management; Stocking rate. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000400013 |
| |
|
|
| Moreira, Andréia Luciane; Agência Paulista de Tecnologia dos Agronegócios; Fagundes, Jailson Lara; Universidade Federal do Sergipe; Yoshihara, Eidi; Agência Paulista de Tecnologia dos Agronegócios; Backes, Alfredo Acosta; Universidade Federal do Sergipe; Barbosa, Leandro Teixeira; Universidade Federal do Sergipe; Heinrichs, Reges; Universidade Estadual Paulista “Júlio de Mesquita Filho". |
| Biomass and forage volume density and the performance and stocking rate of sheep on pastures with nitrogen-fertilized Tifton 85 and subjected to a continuous stocking system were evaluated. Four doses of nitrogen (0, 100, 200, and 400 kg ha-1 year), arranged in an experimental design with randomized blocks and four replications, were analyzed. Sixteen paddocks and Santa Inês sheep were used as test animals, coupled to crossbreed Santa Inês sheep as regulating animal stocking. Nitrogen-fertilized Tifton 85 pastures increased the amount of forage biomass and volume density which affected stocking rate and weight gain of sheep in continuous grazing. When pastures with Tifton 85 were administered in variable load continuous stocking, with grass kept at 15 cm,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.04.00.00-2; 5.04.04.00-8 animal performance; Cynodon spp.; Grazing nitrogen; Pasture; Stocking rate. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/21935 |
| |
|
|
| SIMONETTI,GABRIELA D.; OLIVO,CLAIR J.; SEIBT,DAIANE C.; BRATZ,VINICIUS F.; SAUTHIER,JULIO C.; ADAMS,CARINE B.. |
| Abstract: Elephant grass (EG) (Pennisetum purpureum Schum.) have great importance in tropical and subtropical climates, especially on dairy farms. Normally, EG is established alone under high fertilization levels. EG in organic production system can improve low production costs and environmental issues, are still little known. The aim of this research was to evaluate the performance of herbage yield, nutritive value, extraction/ export nutrient and forage yield and animal responses. Three production systems of EG were analyzed: (i) EG mixed spontaneous-growing species (SGE) in warm-season and ryegrass (R) in cool-season under organic production; (ii) EG mixed SGE + R under conventional system (positive control); and (iii) EG based under conventional... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Crude protein; Dairy cows; Pennisetum purpureum Schum; Production of forage; Stocking rate. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000300852 |
| |
|
|
| Ramírez Mella, Mónica. |
| El objetivo de este estudio fue evaluar el efecto de suplementar con maíz fresco picado (MFP) a vacas lecheras en pastoreo en la respuesta productiva. Se utilizaron 24 vacas Holstein multíparas. El pastoreo fue rotacional en una pradera mixta alfalfa-pasto ovillo. Se evaluaron tres tratamientos: 0, 4 y 8 kg de MS de MFP animal-1día-1. Todos los animales recibieron 3.8 kg de MS de alimento concentrado animal-1 día-1. Se utilizó un diseño reversible simple (cross-over) (tres tratamientos, dos repeticiones con cuatro animales cada uno), de 3 períodos, con una duración de 19 días cada uno (10 d de adaptación y 9 d de muestreo). No hubo diferencias significativas en producción individual ni en composición de la leche. El consumo de forraje de la... |
|
Palavras-chave: Producción de leche; Consumo de materia seca; Carga animal milk production; Dry matter intake; Stocking rate. |
| Ano: 2012 |
URL: http://hdl.handle.net/10521/838 |
| |
|
|
| Ramírez Mella, Mónica. |
| El objetivo de este estudio fue evaluar el efecto de suplementar con maíz fresco picado (MFP) a vacas lecheras en pastoreo en la respuesta productiva. Se utilizaron 24 vacas Holstein multíparas. El pastoreo fue rotacional en una pradera mixta alfalfa-pasto ovillo. Se evaluaron tres tratamientos: 0, 4 y 8 kg de MS de MFP animal-1día-1. Todos los animales recibieron 3.8 kg de MS de alimento concentrado animal-1 día-1. Se utilizó un diseño reversible simple (cross-over) (tres tratamientos, dos repeticiones con cuatro animales cada uno), de 3 períodos, con una duración de 19 días cada uno (10 d de adaptación y 9 d de muestreo). No hubo diferencias significativas en producción individual ni en composición de la leche. El consumo de forraje de la... |
| Tipo: Tesis |
Palavras-chave: Producción de leche; Consumo de materia seca; Carga animal; Maestría; Ganadería; Milk production; Dry matter intake; Stocking rate. |
| Ano: 2008 |
URL: http://hdl.handle.net/10521/1232 |
| |
|
|
| Ramírez Mella, Mónica. |
| El objetivo de este estudio fue evaluar el efecto de suplementar con maíz fresco picado (MFP) a vacas lecheras en pastoreo en la respuesta productiva. Se utilizaron 24 vacas Holstein multíparas. El pastoreo fue rotacional en una pradera mixta alfalfa-pasto ovillo. Se evaluaron tres tratamientos: 0, 4 y 8 kg de MS de MFP animal-1día-1. Todos los animales recibieron 3.8 kg de MS de alimento concentrado animal-1 día-1. Se utilizó un diseño reversible simple (cross-over) (tres tratamientos, dos repeticiones con cuatro animales cada uno), de 3 períodos, con una duración de 19 días cada uno (10 d de adaptación y 9 d de muestreo). No hubo diferencias significativas en producción individual ni en composición de la leche. El consumo de forraje de la... |
|
Palavras-chave: Producción de leche; Consumo de materia seca; Carga animal milk production; Dry matter intake; Stocking rate. |
| Ano: 2012 |
URL: http://hdl.handle.net/10521/918 |
| |
|
| |
| Registros recuperados: 26 | |
|
|
|
