Caecal microflora and fermentation pattern in exclusively milk-fed young rabbits

Padilha, Marília Terezinha Sangoi; Licois, Dominique; Gidenne, T.; Carré, Bernard

doi:10.1051/rnd:19990207

Cited by 29 publications

(25 citation statements)

References 13 publications

(12 reference statements)

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“…The findings of this study concerning the caecal VFA content show a tendency similar to that of the experimental results obtained by Padilha et al (1996) with rabbits suckled twice daily up to the age of 42 days, reared exclusively on milk. The total caecal VFA concentration measured by the above-mentioned authors (12.5 mmol/L) was substantially higher than that found in our study.…”

Section: Discussionsupporting

confidence: 88%

“…This may provide an explanation for the mass colonisation at an early stage by Bacteroides also observed in the rabbits suckled twice daily (see below). In the same experiment performed by Padilha et al (1996) the concentration of branched-chain volatile fatty acids and valeric acid remained at high levels throughout the experimental period. In the present study high concentrations were recorded prior to weaning in the rabbits suckled twice daily, which indicates that more intensive proteolytic fermentation processes were taking place.…”

Section: Discussionmentioning

confidence: 84%

“…In the present study high concentrations were recorded prior to weaning in the rabbits suckled twice daily, which indicates that more intensive proteolytic fermentation processes were taking place. Padilha et al (1996) found that the coliform count is primarily dependent on the age of the animal, not on its feeding and nutrition. Prohászka (1980) and Morisse et al (1985) stated that a relation can be demonstrated between coliform count, pH and tVFA concentration.…”

Section: Discussionmentioning

confidence: 98%

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Effect of double nursing on some anatomical and physiological properties of the digestive tract of rabbits between 23 and 44 days of age

Zomborszky-Kovács

Gyarmati

Szendrő

2002

Acta Veterinaria Hungarica

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Anatomical and physiological properties of the digestive tract were examined and compared in young rabbits nursed either by one (SS) or by two does (DD) daily up to the age of 35 days. At the age of 23, 30, 37 and 44 days, 8 young per treatment were euthanised. Double suckling and the subsequent higher level of solid feed intake after weaning were found to exert a stronger influence on the weight of the entire gastrointestinal tract and that of its individual parts (the stomach, small intestine, caecum and colon) than on its length. The quantity of the gastric content was found to rise with advancing age in both groups (from 36 to 70 g and from 37.5 to 79 g). In both groups the pH of the stomach was higher during the suckling period (4.5-5.3) than subsequent to weaning (1.6-2.4). The quantity of the caecal content also increased with age (from 4 or 8 g), but on the 37th day significantly higher quantities of caecal content were recorded in DD rabbits (50.5 g compared with 35 g). The pH of the caecal content decreased more slowly from an initial high value (6.0 and 6.5 in SS and DD rabbits, respectively), and by the 37th day had settled at a low value (5.7-5.8) in both groups. The dry matter content of the caecal content decreased from 270-273 g to 188-207 g in both groups. Total volatile fatty acid (tVFA) and acetic acid (C2) concentration, which amounted to 66-88% of tVFA, rose; in SS rabbits they were at higher levels by the 30th day (53.6 and 42.2 mmol/L, respectively), and remained at an increased level until the 44th day (P < 0.05). The ratio of C3 : C4 was high on the 23rd day (2.5 and 2.4), but dropped at the age of 30 days (0.5 in SS and 1.7 in DD, P < 0.05) and, further, by the 37th day (0.2 in SS). In SS rabbits coliform count proved significantly lower (10 5 ) on the 23rd day than in DD rabbits (10 6 ). By the 37th day this count had decreased in both groups and subsequently remained at a low level (< 10 4 ). By the 23rd day Bacteroides were present in large quantities (10 8 ) in the caecum and showed no change with advancing age or feeding regime.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 98%

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Effect of double nursing on some anatomical and physiological properties of the digestive tract of rabbits between 23 and 44 days of age

Zomborszky-Kovács

Gyarmati

Szendrő

2002

Acta Veterinaria Hungarica

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“…Presumably the initially higher coliform count found in Group FF was also due to free nursing and more faecal pellets left behind the doe. Previous studies [7,15,16] showed that twice-a-day nursing resulted in higher coliform counts in addition to the higher lactobacillus counts. The higher coliform counts found in Group CN between days 6 and 10 were probably attributable to the slower development of the bacteroides and lactobacillus flora.…”

Section: Discussionmentioning

confidence: 97%

Effect of nursing methods and faeces consumption on the development of the bacteroides, lactobacillus and coliform flora in the caecum of the newborn rabbits

et al. 2006

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-The effect of nursing method and ingestion of maternal faeces on the development of the bacteroides, lactobacillus and coliform flora of the caecum in the first 10 days of life were examined in freely nursed pups having access to maternal faeces (Group FF), pups nursed once a day and having access (Group CF), or having no access (Group CN) to maternal faeces. Colonisation of the caecum by Bacteroides commenced already on day 3 after birth. On day 2 the bacteroides counts were below 100, while on day 4 they were already between 100 and 10 000. In Group CN, the Bacteroides counts were lower (by 14 to 40%) throughout the 10-day period studied than in the groups having access to maternal faeces. Differences between groups were significant only on days 4 and 6. The average number of maternal faecal pellets left behind the doe in Group CN was 3-4 (between 0.5 and 6.4 per doe). In Groups FF and CF the pellets became smaller, crumbled and finally disappeared from the nest box, they were consumed by the pups and could be found in their gastric content. The lactobacillus counts decreased in all three groups with age, from 6.0 to 3.5 log10 CFU·g -1 (FF), 4.6 to 2.8 log10 CFU·g -1 (CF) and 5.1 to 3.1 log10 CFU·g -1 (CN), respectively. The coliform counts were higher in the first 4 days in FF (5.6 log10 CFU·g -1 ) than in CF (< 2 log10 CFU·g -1 ) and CN (2-3.6 log10 CFU·g -1 ) animals. Bacteroides could be cultured from the surface of the vulvar labia (max. 1000 colony count) and the vagina (max. 190 colony count), so young rabbits could become "infected" by them already in the doe's vagina. Thus prevention of ingestion of maternal faeces only slightly influenced the development of the bacteroides flora, the faeces left behind by the doe did not play an exclusive role in their colonisation. newborn rabbit / caecal microflora / bacteroides / controlled and free nursing Ő

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“…Padilha et al (1996), estudando a microflora cecal e o padrão de fermen- Blas et al (1994), segundo os quais dietas com alto teor de amido são uma das possíveis causas de problemas digestivos antes e após a desmama. Maertens (1992) também mencionou que, para evitar problemas digestivos, níveis superiores a 15% de amido na dieta não são recomendáveis para coelhos jovens.…”

Section: Resultsunclassified

Desempenho de coelhos até a desmama de acordo com o tamanho da ninhada e o nível de amido nas dietas

Faria¹,

Scapinello²,

Peralta³

et al. 2004

R. Bras. Zootec.

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RESUMO -Foi conduzido um experimento com o objetivo de estudar as influências do padrão alimentar de coelhos durante a fase de lactação, em função do nível de amido nas dietas e da disponibilidade de leite modulada pelo tamanho da ninhada, sobre o desempenho de láparos até a desmama (35 dias). Cem ninhadas foram mantidas com oito láparos ao nascer até o 16 o dia de vida. A partir do 16 o dia de idade até a desmama, 60 ninhadas foram reduzidas para quatro láparos, enquanto as demais foram mantidas com oito, recebendo dietas contendo nível alto (24%) ou normal (15%) de amido. As ninhadas com quatro láparos apresentaram maior ganho de peso diário, independentemente dos intervalos analisados, sendo desmamados com maior peso em relação aos mantidos em ninhadas mais numerosas. Este efeito também foi observado naqueles que receberam dietas com alto teor de amido somente a partir do 24 o dia de lactação. Os láparos mantidos em ninhadas mais numerosas apresentaram maior consumo diário de ração até 26 o dia de idade. À medida que os láparos mantidos em ninhadas menores apresentaram superioridade no crescimento e a disponibilidade de leite pela coelha foi diminuída pela proximidade do final da lactação, o consumo de ração na fase final de lactação passou a ser maior para os láparos mantidos em ninhadas menores. Por outro lado, a dieta mais rica em amido proporcionou maior consumo diário, independentemente do intervalo analisado. O consumo individual de leite foi maior para láparos mantidos em ninhadas menores, não havendo diferença em relação aos níveis de amido nas dietas disponibilizadas aos animais.Palavras-chave: desempenho, ingestão de leite, ingestão de ração, lactação, láparos Performance of Rabbits During Lactation Phase According to the Litter Size and StarchLevel in the Diets ABSTRACT -The experiment was carried out to study the influences of the feeding pattern of rabbits during the lactation phase according function of the starch level in the diets and availability of milk modulated by litter size on performance young rabbits before weaning (35 days). One hundred litters were maintained to eight rabbits at birth until the 16 day old. From 16 to 35 days old, 60 litter were reduced for four young rabbits, while the others were maintained with eight young rabbits, feeding with high (24%) or normal (15%) starch level. The litters with four young rabbits presented higher daily weight gain, independently of the analyzed intervals, and were weaned with higher weight than young rabbits maintained in more numerous litters. This effect was also observed only for young rabbits feeding diets with high starch level, from 24 days to weaning. The young rabbits maintained in more numerous litters presented the higher daily consumption of ration until 26 days of age. As young rabbits maintained in smaller litter presented superiority in the growth and the availability of milk for the does was decreased by the proximity of the end lactation, the feed intake in the final phase of lactation became the higher for the young rabbits ...

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Caecal microflora and fermentation pattern in exclusively milk-fed young rabbits

Cited by 29 publications

References 13 publications

Effect of double nursing on some anatomical and physiological properties of the digestive tract of rabbits between 23 and 44 days of age

Effect of double nursing on some anatomical and physiological properties of the digestive tract of rabbits between 23 and 44 days of age

Effect of nursing methods and faeces consumption on the development of the bacteroides, lactobacillus and coliform flora in the caecum of the newborn rabbits

Desempenho de coelhos até a desmama de acordo com o tamanho da ninhada e o nível de amido nas dietas

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