Composition and nutritive value of whole maize plants fed fresh to sheep. II. Prediction of the in vivo organic matter digestibility

Dardenne, Pierre; Andrieu, J.; Barrière, Yves; Biston, R.; Demarquilly, C.; Femenias, N.; Lila, M.; Maupetit, Pierre; Rivière, François; Ronsin, T.

doi:10.1051/animres:19930302

Cited by 35 publications

(39 citation statements)

References 5 publications

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“…Numerous works proved large genetic variations in the in-vitro digestibility of maize, either for whole plants or cell walls parts (eg, Gallais et al, 1976;Deinum and Bakker, 1981;Vattikonda and Hunter, 1982;Deinum et al, 1984;Deinum and Struik, 1985;Deinum, 1988;Dhillon et al, 1990b; Dolstra and Medema, 1990;Geiger et al, 1992;Hunt et al, 1992;Seitz et al, 1992;Dardenne et al, 1993;Dolstra et al, 1993;Wolf et al, 1993;Barrière et al, 1993a;Coors et al, 1994;Lundvall et al, 1994;Argillier et al, 1995). In early lines, according to Dolstra and Medema (1990) (Argillier et al, 1995) When considering the digestibility of whole plants, as well as stover, stalks or cell-walls, GCA effects for in-vitro values of digestibility were often preponderant over SCA effects.…”

Section: Grain Content and Grain Composition In Silage Maizementioning

confidence: 99%

Relevant traits, genetic variation and breeding strategies in early silage maize

et al. 1997

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Section: Grain Content and Grain Composition In Silage Maizementioning

confidence: 99%

Relevant traits, genetic variation and breeding strategies in early silage maize

et al. 1997

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“…In addition to the harvest time, feeding value and digestibility of maize silage are also significantly affected by the variety [1,4,7,8]. A possible higher digestibility of a relatively immature residual plant has in recent years been discussed together with stay-green genotypes, which have a mature kernel while the residual plant is still green 338 T. Ettle, F.J. Schwarz [29].…”

Section: Introductionmentioning

confidence: 99%

Effect of maize variety harvested at different maturity stages on feeding value and performance of dairy cows

Ettle

Schwarz

2003

Anim. Res.

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-Maize silage was produced from two different varieties (SG: "stay-green" and DD: "dry down") at two different stages of maturity (target: 30-32 and 38-42% DM). Dry matter and nutrients of plant fractions and silages, fermentation parameters of silages and digestibility in sheep were determined. Furthermore a feeding trial was conducted in which the effect of the maize silage on feed intake and performance of dairy cows was studied. This trial series (TS 1) was replicated in the following year (TS 2). In both years, variety SG had higher ear (dehusked) dry matter content and lower residual plant dry matter content (58.9% and 23.7%) than variety DD (54.9% and 26.7%) and a slightly lower ear (dehusked) proportion. The constituents of the ear (dehusked) and residual plants were affected by maturity stage but not by variety. The maize silages of variety DD had slightly lower crude ash, crude fat and crude fibre contents and a higher starch content than SG. In TS 1, the digestibility of the organic matter averaged about 77% for variety SG and 80% for variety DD; in TS 2 this value was uniform at about 77%. While the maize variety had little effect on the average daily feed intake over both feeding trials (SG 17.2 kg DM per cow and DD 16.9 kg DM per cow), the stage of maturity had a significant effect. Maturity stage 2 increased the total daily feed intake from 16.4 to 17.8 kg DM per cow relative to maturity stage 1. The daily milk yield, which averaged 24.9 kg (TS 1) and 25.2 kg per cow (TS 2) was not significantly affected either by the variety or the maturity status, although there was a slight quantitative advantage of 1.1 kg (TS 1) and 0.7 kg (TS 2) milk per cow and day in favour of variety SG over variety DD.dairy cow / maize silage / variety / maturity / feeding value / stay-green Résumé -Influence de la variété du maïs, récoltée à différents stades de maturité, sur la valeur alimentaire de la plante et sur les performances des vaches laitières. lequel ont été étudiées la prise alimentaire et les performances des vaches laitières, a également été mis en place. Cette série d'essais a été réalisée sur deux années consécutives, respectivement, TS 1 et TS 2. Les résultats ont montré que, sur les deux années, les épis (sans spathes) de la variété SG ont eu une teneur en matière sèche plus élevée, et les fractions végétales résiduelles une teneur en matière sèche plus faible (58,9 % et 23,7 %) que celles de la variété DD (54,9 % et 26,7 %). La proportion d'épis (sans spathes) a été légèrement inférieure pour la variété SG. La composition des fractions vé-gétales a été affectée par le stade de maturité mais pas par la variété. Pour les ensilages, ceux de la variété DD ont eu une teneur en matières minérales, en matière grasse et en fibres brutes légèrement plus faible et une teneur en amidon plus élevée que les ensilages de la variété SG. Lors de la première année (TS 1), la digestibilité de la matière organique a été en moyenne de 77 % pour la variété SG et de 80% pour la variété DD ; l'année suivante (TS 2)...

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“…NIRS predictive equations set up in Gembloux [7] were transferred in 2014 in the Antaris II analyzer of IJPB Versailles. These predictive equations allowed us to estimate:…”

Section: Near Infra-red Spectroscopy Predictionsmentioning

confidence: 99%

Energy Values of Registered Corn Forage Hybrids in France over the Last 20 Years Rose in a Context of Maintained Yield Increase

Baldy¹,

Jacquemot²,

Griveau³

et al. 2017

AJPS

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The cultivation of corn silage has developed in France since the 1970s to reach 1.5 million of hectares nowadays. Since 1998, a feeding value criterion (namely UFL for "Unité Fourrage Laitière") has been taken into account to register forage varieties in the French forage maize hybrids catalog in addition to other criteria related to plant agronomical performances such as yield, earliness and lodging resistance. It is frequently stated that the improvement of plant's agronomic performances would led to a decline in forage energy value. Decline of "Unité Fourrage Laitière" values has been repeatedly reported and the expected increase was not yet visible in 2002. In the present study, a set 47 early and mid-early hybrids commercialized in France between 1958 and 2015 has been cultivated in 3 locations in France. "Unité Fourrage Laitière" values and yield have been estimated in order to shed light on the evolution of feeding value criteria during this period and to conclude on the evolution of "Unité Fourrage Laitière" values since the introduction of this criterion for registration. Results obtained in our study demonstrated a recent rise in "Unité Fourrage Laitière" value in a context of strong yield increase. This increase was not necessarily attributable to high cob proportion in the harvested silage. Breeder's work since the 2000's has succeeded to offer hybrids that recover "Unité Fourrage Laitière" values similar to the ones of hybrids from the 1960's (Royal, 1960, 91 UFL/100 kg DM). We propose to accentuate this effort targeting the enhancement of lignocellulosic cell wall digestibility to breed for future forage maize hybrids.How to cite this paper: Baldy, A., Jacquemot, M.-P.,

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Composition and nutritive value of whole maize plants fed fresh to sheep. II. Prediction of the in vivo organic matter digestibility

Cited by 35 publications

References 5 publications

Relevant traits, genetic variation and breeding strategies in early silage maize

Relevant traits, genetic variation and breeding strategies in early silage maize

Effect of maize variety harvested at different maturity stages on feeding value and performance of dairy cows

Energy Values of Registered Corn Forage Hybrids in France over the Last 20 Years Rose in a Context of Maintained Yield Increase

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