Digestion and Utilization of Nutrients in Oak Browse by Goats

Nastis, A. S.; Malechek, John C.

doi:10.2527/jas1981.532283x

Cited by 97 publications

(56 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The level of tannin which adversely affect digestibility in sheep and cattle is between 2 and 5% (Diagayette and Huss, 1981). Goats are known to have threshold capacity of about 9% dietary tannin (Natis and Malachek, 1981). The levels o f oxalates observed here range from 0.13mg/100g t o 0.32mg/100g and is unlikely to pose toxicity problems, since it is below 2-5g (Oke, 1969).…”

Section: Resultsmentioning

confidence: 75%

Nutritional and Antinutritional Components of Vetiver Grass (Chrysopogon zizanioides L. Roberty) at Different Stages of Growth

Falola¹,

Alasa

Amuda

et al. 2013

Pakistan J. of Nutrition

View full text Add to dashboard Cite

Vetiver grass was harvested at 4, 6 and 8-week old re-growth. The chemical composition and quantitative analyses of anti-nutritional components were determined. The result showed that dry matter and fiber content increased with age while crude protein, mineral content and anti-nutritional components reduced with age. It was concluded that age of re-growth significantly affect the nutrient and anti-nutrients contents of vetiver grass.

show abstract

Section: Resultsmentioning

confidence: 75%

Nutritional and Antinutritional Components of Vetiver Grass (Chrysopogon zizanioides L. Roberty) at Different Stages of Growth

Falola¹,

Alasa

Amuda

et al. 2013

Pakistan J. of Nutrition

View full text Add to dashboard Cite

show abstract

“…The net effect of tannins was thus minor. Such perspectives have been reported elsewhere (Nastis and Malechek, 1981;Tanner, 1988;Woodward, 1988;Nunez-Hernandez et al, 1989).…”

Section: Photograph: Shewangizaw Bekelementioning

confidence: 95%

The Borana Plateau of Southern Ethiopia. Synthesis of Pastoral Research, Development and Change

Scarnecchia¹,

Coppock²

1995

Journal of Range Management

View full text Add to dashboard Cite

“…Hence, they should be viewed with caution, since several authors mentioned the associative effects between forages and concentrates, and their consequences for feed utilization (Dixon and Stockdale 1999). However, authors such as Nastis and Malechek (1981) and Meuret (1988) showed a low increase in digestion coefficient due to a slight dietary supplementation for goats consuming tree foliage (1% to 3% of variation). Results of this study showed higher values of above 10 points for F. dimorpha, compared to those obtained for Fraxinus olmus by Papachristou (1996), which supports the assertion of the local peasants that this species constitutes very good forage, compared to other locally available fodder trees.…”

Section: Discussionmentioning

confidence: 99%

“…The study design allows estimation of the digestibility of ash tree leaves separately from supplementary diet by subtracting digestible standardized concentrate intake from total digestible intake (Nastis and Malechek 1981;Narvaez et al 2011). Thus, the digestibility of the various F. dimorpha nutrient components (FD Dig ) was calculated as follows:…”

Section: Digestibility Calculations and Estimationsmentioning

confidence: 99%

“…The animals' diet was supplemented with 150 g of standardized concentrate composed of 770 g/kg barley, 200 g/kg wheat bran, and 30 g/kg commercial mixed minerals and vitamins. This low-quantity supplement was adopted in order to mimic other forages found in the rangelands (Meuret 1988), and may prevent possible intoxication related to a single unknown tree leaf diet, as suggested by Nastis and Malechek (1981). Water was offered ad libitum.…”

Section: Survey Of Herd Feeding Management Practicesmentioning

confidence: 99%

See 1 more Smart Citation

Meadow up a tree: Feeding flocks with a native ash tree in the Moroccan mountains

Génin

Crochot²,

M'Sou

et al. 2016

Pastoralism

View full text Add to dashboard Cite

The pastoral interest in Fraxinus dimorpha foliage from the High Atlas of Morocco was assessed both in terms of its role with regard to the feeding of small ruminant flocks and for its nutritive value. Observation, measurements, and interviews with 57 households revealed that ash trees are regularly pollarded, following very precise four-year cycles, during late August to November. Native ash tree stands are subject to characteristic shaping, which enables a continuous capability to provide fodder, and gives rise to characteristic sylvo-pastoral landscapes. A digestion trial was conducted in goats and sheep. Five two-year-old rams (19.5 ± 1 kg) and five two-year-old uncastrated bucks (22.2 ± 1.7 kg) were placed in individual metabolism cages over 18 days, and fed fresh ash tree leaves with a light dietary supplementation. The apparent digestibility coefficients between goats and sheep did not differ significantly for dry matter (69.5% versus 67.5%, respectively), organic matter (70.5% vs 68.3%), and Neutral Detergent Fibre (53.8% vs 52.3%), in contrast to crude protein (54.2% vs 45.3%, p < 0.001) and Acid Detergent Lignin (29.7 vs 26.4, p < 0.05). Due to a higher intake relative to metabolic weight (57.1 vs 47.7 gDM/kgBW 0.75 ), goats valorize this type of forage better than sheep. It is concluded that ash tree foliage presents considerable nutritive interest in autumn when overall range forage is scarce and lacking in quality, and, hence, constitutes a useful forage resource for feeding the small ruminant flocks found in these low-input mountain livestock farming systems. Associated traditional management practices were revealed to be both technically and ecologically efficient, and should be better taken into account by policy-makers.

show abstract

Digestion and Utilization of Nutrients in Oak Browse by Goats

Cited by 97 publications

References 8 publications

Nutritional and Antinutritional Components of Vetiver Grass (Chrysopogon zizanioides L. Roberty) at Different Stages of Growth

Nutritional and Antinutritional Components of Vetiver Grass (Chrysopogon zizanioides L. Roberty) at Different Stages of Growth

The Borana Plateau of Southern Ethiopia. Synthesis of Pastoral Research, Development and Change

Meadow up a tree: Feeding flocks with a native ash tree in the Moroccan mountains

Contact Info

Product

Resources

About