Germinação de sementes em placas fecais bovinas

Deminicis, Bruno Borges; Almeida, João Carlos de Carvalho; Malafaia, Pedro; Blume, M. C.; Abreu, João Batista Rodrigues de; Vieira, Henrique Duarte

doi:10.4321/s0004-05922009000100008

Cited by 7 publications

(9 citation statements)

References 24 publications

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“…The seeds that spent more time in the digestive tract of the animals were more attacked and damaged, resulting in reduced germination values (Table 2). This result disagrees with the findings of Deminicis et al (2009), in which Bbutterfly pea seeds showed the highest percentage of germination in the cattle feces (30%), among the species studied. Gökbulak (2006) said it was difficult to compare the results of retrieval and germination of seeds dispersed by goats and sheep with the results for cattle, mainly by the difference in size of the mouthparts, which results in different levels of damage during chewing.…”

Section: Resultscontrasting

confidence: 99%

“…Os resultados deste estudo e os valores encontrados por Deminicis et al (2009), quando avaliada a germinação de sementes de Bbutterfly pea nas fezes de bovinos, mostram as diferenças entre ovinos e bovinos, apesar das duas especies serem ruminantes. These authors observed 30 % Bbutterfly pea seedlings in the cattle feces, higher than seeds retrieved from the feces of goats in this study (17%).…”

Section: Resultsunclassified

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Average time of dispersal and germination of Fabaceae seeds retrieved from goat feces

Silva¹,

Vieira

Deminicis

et al. 2019

SCA

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This study aimed to evaluate the viability of seeds of butterfly pea, stylosanthes cv. Campo Grande, tropical kudzu and archer after passage through the gastrointestinal tract (GIT) of goats; and to evaluate these animals as dispersing agents. Fifty grams of seeds of each plant were mixed with the concentrate and given to 20 goats, whose feces were collected up to 102 hours after ingestion for seed retrieval and subsequent germination test. This was a completely randomized design in a factorial arrangement: 4 Fabaceae plants x 17 sampling times with five replicates. The percentage of seed retrieval ranged from 16.9 to 70.9%; butterfly pea and archer, respectively. The passage through the GIT positively affected the germination of kudzu seeds; which presented the highest germination average (45%), and negatively the seeds of stylosanthes and butterfly pea, which presented respectively, 15 and 13%. The period of highest seed dispersal was 24 - 42 hours, peaking in 36 hours. Under these conditions, goats may be considered as legitimate seed dispersers.

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Section: Resultscontrasting

confidence: 99%

Section: Resultsunclassified

Average time of dispersal and germination of Fabaceae seeds retrieved from goat feces

Silva¹,

Vieira

Deminicis

et al. 2019

SCA

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“…Mesmo assim, este resultado ficou aquém dos resultados apontados por Deminicis et al (2009), que encontraram para a soja perene, calopogônio e macrotiloma índice de germinação igual a 7,77; 9,25 e 12,38, respectivamente, após ingestão por bovinos. Jolaosho et al (2006) encontraram taxa de 5 % de germinação das sementes dispersadas por bovinos, no período chuvoso (junho a setembro) na Nigéria.…”

Section: Resultsunclassified

Dispersão e persistência de leguminosas forrageiras tropicais após ingestão por bovinos

et al. 2015

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“…The passage of whole seeds through the digestive tract of ruminants was observed in species of grasses and legumes, grown and native. Deminicis et al (2009) found similar values. The results found that the total intact seed supplied to animals (ingested) were 14.0, 33.8, 15.5, and 0.08% of the seeds and 14.5; 23.0; 14.8 and 2.0% were swollen in macrotyloma, Butterfly pea, perennial soybean and stylosanthes, respectively.…”

Section: Resultsmentioning

confidence: 52%

“…They also observed a positive rank correlation between species turnover and distance to the dung for both communities, suggesting a seasonal stabilizing effect of dung on the plant composition of their direct surroundings (0-10 cm) likely due to cattle avoidance. Deminicis et al (2009) studied the effect of simulated chewing, fermentation and digestion enzyme acid in vitro on the survival of tropical forage legume seeds. They observed that the seeds, having hard and impermeable seed coats, kept high potential resistance, passing intact the digestive tract of cattle, being able to germinate when defecated in pastures.…”

Section: Resultsmentioning

confidence: 99%

Recovery and seeds germination of four important tropical forage legumes in bovine dung

et al. 2020

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This experiment was conducted to evaluate the recovery and survival of tropical forage legume seeds (butterfly pea, stylosanthes, perennial soybean and macrotiloma) subjected through the digestive tract of cattle and to evaluate the germination of the seeds in feces of cattle. A 50 g of seed mixed with 150 g of mineral supplement offered to the cattle. Each cattle was considered as repetition. The bovine feces collected up to 60 hours after eating the seeds, where the seeds separated by sieves, using water, gloves procedure and tweezers. Later, they counted and divided into intact and swollen. For the germination test of the recovered seeds, 75 seeds per replicate were used (25 in natura, 25 intact and 25 swollen seeds, respectively). For the germination test in fecal plates, the bovine feces collected between 12 and 30 hours after eating the seeds. After 120 days, we evaluated the total amount of plants emerged within the study period (between 12 and 30 hours) and the average number of emerged plants per fecal signs. The results showed that cattle are facilitating the dispersion of butterfly pea, macrotyloma and perennial soybean, but not stylosanthes. The highest survival as the average number of germinated plants in fecal plates achieved by macrotyloma, followed by butterfly pea species and perennial soybean. The cattle were efficient in the pasture colonization process, due to the considerable dispersion of the seeds. This dispersion was not observed for seeds of stylosanthes.

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Germinação de sementes em placas fecais bovinas

Cited by 7 publications

References 24 publications

Average time of dispersal and germination of Fabaceae seeds retrieved from goat feces

Average time of dispersal and germination of Fabaceae seeds retrieved from goat feces

Dispersão e persistência de leguminosas forrageiras tropicais após ingestão por bovinos

Recovery and seeds germination of four important tropical forage legumes in bovine dung

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