Comparison of rumen fermentation patterns and in situ degradation of grazed herbage in Churra and Merino sheep

Ranilla, María José; Carro, M. D.; Giráldez, Francisco Javier; Mantecón, Ángel R.; González, Jesús Salvador

doi:10.1016/s0301-6226(99)00058-5

Cited by 7 publications

(4 citation statements)

References 26 publications

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“…The higher level of stearic acid found in Comisana than in Leccese lambs, when slaughtered at 60 days, may be due to a different genotype activity or the production of hydrogenases by different rumen microflora. Several differences in the rumen fermentation patterns have been reported by Ranilla et al (2000). Indeed, sheep breed can influence apparent digestibility (Givens and Moss, 1994).…”

Section: Discussionmentioning

confidence: 99%

Fatty acid composition of light lamb meat from Leccese and Comisana dairy breeds as affected by slaughter age

D’Alessandro

Palazzo

Petrotos

et al. 2015

Small Ruminant Research

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Section: Discussionmentioning

confidence: 99%

Fatty acid composition of light lamb meat from Leccese and Comisana dairy breeds as affected by slaughter age

D’Alessandro

Palazzo

Petrotos

et al. 2015

Small Ruminant Research

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“…Variations in rumen pH between diets testify the Generally rumen environment defined by pH and concentration of fermentation end products affect the rate and extent of rumen degradation of food (Ranilla et al, 2000). Taking into consideration the fact that the level of NH 3 -N needed in rumen is dependent on the pH of the rumen (Smith, 1989), NH 3 -N concentration corresponding to pH on GLS was lower compared to either CS or ULS.…”

Section: Discussionmentioning

confidence: 99%

Impact of Three Categories of Supplements on In Sacco Ruminal Degradation of Urea-Treated and Untreated Straw Substrates

Srinivas¹,

Krishnamoorthy²,

Jash³

2002

Asian Australas. J. Anim. Sci

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The objective of this study was to examine the impact of three categories of supplements on intake and diet induced difference on degradation of straw substrates. Sixteen crossbred cattle fitted with rumen cannula were randomly divided into 4 equal groups. Animals were fed on wheat straw ad libitum without any supplement except mineral mixture (control; T 1 ) or supplemented with concentrate mixture (CS; T 2 ) or green Lucerne (GLS; T 3 ) or urea-molasses block lick (ULS; T 4 ). Total dry matter intake in T 2 , T 3 and T 4 was increased by 70, 54 and 49%, respectively compared to T 1 which was only 1.55 kg/100 kg B.Wt. Other than control animals, straw intake was less on T 3 than T 2 or T 4 . In Sacco degradation of untreated and urea treated wheat or paddy straw in different treatments indicated that the supplements had a significant (p<0.01) impact on rapidly soluble (A) and insoluble but potentially degradable (B) fractions of straw. Urea treatment increased fraction-A but, provision of supplement improved fraction-B also. Effective degradation (ED) of OM was better on T 2 . Rate of degradation (C) of OM and CWC was dependent on diet and type of straw but hemicellulose and cellulose were related to latter factor only. ED of cell wall carbohydrates (CWC) was similar in T 2 and T 4 but higher than T 3 . CS was more effective in improving the degradation of both untreated and urea treated straw while ULS was effective on the former only. CS had more impact on superior quality straw while contrary was true with ULS. Although GLS improved intake and degradability of untreated and urea treated straws, its bulkiness affected the straw intake compared to other supplements.

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“…La influencia de la raza se ha observado también en otros aspectos como la composición de la grasa, algo que se podría explicar por diferencias en la fermentación ruminal de los alimentos ingeridos por la oveja (Ranilla et al, 2000). De hecho, Givens y Moss (1994) observaron que la raza de oveja puede influir sobre la digestibilidad.…”

Section: Efecto De La Raza Sobre Las Características De La Leche Y El...unclassified

“…Estas diferencias entre las razas pueden explicarse por ciertas características relacionadas con la fermentación en el rumen, como el pH ruminal, que puede variar en función de la raza (Ranilla et al, 2000). Así, Givens y Moss (1994) observaron que la raza de oveja puede influir sobre la digestibilidad del forraje.…”

Section: Leche áCidos Grasos Totalesunclassified

Efecto de la raza y del recuento de células somáticas sobre la calidad del queso de oveja

Martínez¹

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Comparison of rumen fermentation patterns and in situ degradation of grazed herbage in Churra and Merino sheep

Cited by 7 publications

References 26 publications

Fatty acid composition of light lamb meat from Leccese and Comisana dairy breeds as affected by slaughter age

Fatty acid composition of light lamb meat from Leccese and Comisana dairy breeds as affected by slaughter age

Impact of Three Categories of Supplements on In Sacco Ruminal Degradation of Urea-Treated and Untreated Straw Substrates

Efecto de la raza y del recuento de células somáticas sobre la calidad del queso de oveja

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