Changes in the Tissue and Volume of the Stomachs of Calves Following the Removal of Dry Feed or Consumption of Inert Bulk

Harrison, H. N.; Warner, R.G.; Sander, Eugene G.; Loosli, J. K.

doi:10.3168/jds.s0022-0302(60)90317-9

Cited by 96 publications

(68 citation statements)

References 11 publications

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“…The data show the positive effect of including crude glycerin in starter concentrate on rumen-reticulum development, which was probably due to the higher concentrate intake, which is considered the main stimulant to develop the rumen by the end product of its fermentation (Harrison et al, 1960;Coverdale et al, 2004;Khan et al, 2008;Boyd et al, 2013). The rumen-reticulum weight and volume increased ninefold in eight weeks in the animals fed concentrate with 240 g kg −1 crude glycerin, compared with the reference animals.…”

Section: Discussionmentioning

confidence: 69%

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

et al. 2016

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-The objective of this study was to assess the effects of including crude glycerin in the diet on intake, performance, rumen development, and carcass traits of dairy crossbred veal calves fed starter concentrate containing 0, 80, 160, and 240 g kg −1 crude glycerin. Twenty-eight calves with an average weight of 38.03±6.7 kg and five days of age were distributed in a completely randomized design with four treatments with seven replications. Calves were individually housed in covered stalls equipped with feeders and drinkers for 56 days. The calf response to inclusion of crude glycerin in the concentrate changed over the weeks and the inclusion level of 240 g kg −1 resulted in greater dry matter intake and average daily gain. There was no effect on the final weight and total weight gain of the animals, with mean values of 73.60 and 35.16 kg, respectively. The weight of the rumen-reticulum adjusted for body weight, empty body weight, and total stomach weight increased linearly with the inclusion of crude glycerin. Blood total protein, globulin, urea, cholesterol, gamma glutamyl transferase, aspartate aminotransferase, and alkaline phosphatase concentrations did not differ among treatments. Carcass traits and meat color were not affected. Crude glycerin can be added to dairy calf starter concentrate up to 240 g kg −1 dry matter because it benefits concentrate intake, performance, and rumen development without affecting animal health.

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Section: Discussionmentioning

confidence: 69%

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

et al. 2016

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“…Uma forma de avaliar este fenômeno, de forma indireta, é o estudo de papilas no epitélio ruminal. Ressalta-se, no entanto, que de acordo com Harrison et al (1960), a parede ruminal é composta de partes que possuem crescimentos distintos, o que implica que não necessariamente caso haja, por exemplo, aumento de papilas em função de certo tratamento, toda a parede se comportará da mesma forma. Todavia, Lesmeister et al (2004) demonstraram haver correlação entre o comportamento das distintas regiões do epitélio ruminal frente a mudanças dietéticas, de forma que amostras do saco cranial e ventral são capazes de representar o tecido como um todo.…”

Section: Discussionunclassified

Morfologia dos pré-estômagos e de papilas ruminais de cordeiras Santa Inês em crescimento submetidas a dois planos nutricionais

et al. 2014

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Para se avaliar o efeito do plano nutricional e crescimento sobre a massa dos pré-estômagos, morfologia e quantificação de papilas ruminais, trinta e seis cordeiras da raça Santa Inês foram submetidas a dois planos nutricionais (ad libitum ou restrito) sendo abatidas em diferentes pesos vivo (20, 30 ou 40 kg de peso vivo), em um delineamento inteiramente casualizado balanceado em arranjo fatorial 2x3. Feito o abate, as vísceras foram pesadas livres de seu conteúdo em seguida mediu-se o volume de repleção do rúmen e retículo. Amostras do tecido ruminal oriundas dos sacos cranial e ventral foram coletadas para posteriormente serem realizadas com auxílio de lupa estereoscópica as medidas morfométricas das papilas ruminais, altura, largura da base, área, papilas por cm² e área absortiva por cm². Os resultados obtidos foram submetidos a análise de variância e as médias resultantes por tratamento foram comparadas por meio de teste de Student Newmann Keuls. Os diferentes planos nutricionais não influenciaram a massa das vísceras rúmen, retículo e omaso (P>0,05), no entanto, observou-se crescimento dessas vísceras em função do aumento do peso ao abate. O volume dessas vísceras foi afetado pelo peso ao abate, e observou-se menores volumes para animais com alimentação ad libitum (P<0,10). O número de papilas por cm² foi reduzido com o aumento do peso ao abate, sendo que altura e área foram aumentadas quando em pesos maiores. O plano nutricional afetou apenas a área e altura das papilas ruminais oriundas do saco cranial. A área absortiva não foi afetada pelos tratamentos. Plano nutricional e diferentes pesos vivos influenciam a morfologia dos pré-estômagos de cordeiras da raça Santa Inês.

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“…Indeed, Tamate et al (1962a) reported a decrease in the size of the papillae between birth and 4 weeks. Harrison et al (1960) found that when calves were switched at 18 weeks of age from solid feed to an all milk diet, papillae almost completely disappeared by 36 weeks of age. This is especially strong evidence that milk does not allow full rumen development.…”

Section: Structure Of the Rumenmentioning

confidence: 99%

Functional development of epithelial tissue of the reticulo-rumen in calves

Sutton

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Changes in the Tissue and Volume of the Stomachs of Calves Following the Removal of Dry Feed or Consumption of Inert Bulk

Cited by 96 publications

References 11 publications

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

Morfologia dos pré-estômagos e de papilas ruminais de cordeiras Santa Inês em crescimento submetidas a dois planos nutricionais

Functional development of epithelial tissue of the reticulo-rumen in calves

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