Digestibility, nitrogen balance, and blood metabolites in llama (Lama glama) and alpaca (lama pacos) fed barley or barley alfalfa diets

Davies, H. L.; Robinson, Todd; Roeder, Beverly L.; Sharp, Merck; Johnston, N. P.; Christensen, Allen C.; Schaalje, G. Bruce

doi:10.1016/j.smallrumres.2006.10.006

Cited by 22 publications

(14 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This has to be interpreted in the light of the high intake of the nitrogen-fi xing A. subterranea, which was characterized by its higher content of raw protein. It is here suggested that the high percentage of A. subterranea in the diet of vicuña is due to a higher nitrogen requirement necessary to meet the metabolic needs, which could be a result of the lower effi ciency of nitrogen retention, similar to the reported by Davies et al (2007).…”

Section: Botanical Composition Of the Dietsupporting

confidence: 68%

Does the presence of livestock alter the trophic behaviour of sympatric populations of wild camelids Vicugna vicugna Molina 1782 and Lama guanicoe Müller 1976 (Artiodactyla: Camelidae)?: Evidence from Central Andes

Tirado

Cortés²,

Carretero

et al. 2016

Gayana (Concepc.)

View full text Add to dashboard Cite

We described and compared the diets of two sympatric Andean camelids, during the humid season (austral summer) in a site of Northern Chile, in presence of domestic livestock. Results indicate that: 1) grasses and shrubs are the main component in the diet of both camelids, 2) shrubs were more consumed by V. vicugna; 3) V. vicugna and L. guanicoe used the same trophic resources but in different proportions; 4) in mountain environments, wetlands exploitation by wild camelids seems restricted by domestic cattle, which would cause the displacement of Vicuñas and Guanacos to suboptimal habitat for feeding. KEYWORDS:Guanaco, Vicuña, livestock, diet, herbivory. RESUMENDescribimos y comparamos la dieta de dos poblaciones simpátricas de camélidos silvestres, durante la estación húmeda (verano) en un sector del norte de Chile en presencia de ganado domesticado. Nuestros resultados indican que: 1) gramíneas y arbustos son el principal componente de la dieta de ambos camélidos; 2) arbustos fueron consumidos principalmente por V. vicugna; 3) V. vicugna and L. guanicoe utilizan los mismos recursos trófi cos pero en diferentes proporciones; 4) en ambientes de montaña, el uso de vegas altoandinas por parte de camélidos silvestres estaría siendo restringido por la presencia de ganado domesticado, el cual provocaría el desplazamiento de ambos camélidos a zonas subóptimas de alimentación.

show abstract

Section: Botanical Composition Of the Dietsupporting

confidence: 68%

Does the presence of livestock alter the trophic behaviour of sympatric populations of wild camelids Vicugna vicugna Molina 1782 and Lama guanicoe Müller 1976 (Artiodactyla: Camelidae)?: Evidence from Central Andes

Tirado

Cortés²,

Carretero

et al. 2016

Gayana (Concepc.)

View full text Add to dashboard Cite

show abstract

“…It indicated that there is other factor influence the GER, such as fiber or carbohydrat content in the diet. Similar results [26] noticed that there was an increasing in concentration of blood glucose due to more glucogenic amino acids available for gluconeogenesis, when the protein from leguminouse leaves was added in the diet. An increasing in glucose concentration occured due to more by-pass protein and increased availability of glucogenic amino acids for glucose synthesis [27].…”

Section: Glucose Metabolismsupporting

confidence: 78%

Glucose Metabolism in Sheep Fed Grass Supplemented with <em>Gliricidia Sepium</em>

Widiawati¹,

Teleni

Suharyono

2015

Atom Indo.

View full text Add to dashboard Cite

The limiting factor on improving ruminant production for most of the available feed in developing countries are low in quality. Therefore high fibre diet must be supplemented by high nutritive feed such as leguminous trees that much available in those regions. Gliricidia sepium was one of very potential candidates. Glucose as a major energy source in fed animals required precursor in form of propionat and amino acids from diet. Those precursors might be supplied by these legume leaves. The aim of this research was to investigate the glucose metabolism in the sheep fed grass supplemented by Gliricidia sepium. Fifteen sheeps (18 months old) were used in the experiment. These are were divided into three groups that fed by experimental diet of Mitchell grass (MG group), Gliricidia (GS group), and MG supplemented with GS (MGGS group). D-[U-14 C]glucose infusate was infused continuously through the left jugular venous catheter of each animal to measure glucose metabolism in those sheeps. The measurements were done on feed utilisation and glucose metabolism. The results indicated that there was an improvement in efficiency of feed utilisation in the MGGS group as reflected by lower feed conversion ratio by the group. Plasma glucose concentration profile per unit of OM intake were similar for GS and MGGS groups, but higher than that in the MG group (P<0.01). Glucose entry rate (GER) increased in MG group through GS to the MGGS group, while N retention accordingly was increased. It can be concluded that the utilization of GS by the ruminant animal could be improved by feeding it with a low quality feed at a ratio of 40:60 (GS:Low quality feed) to achieve an NI:DOMI ratio of 0.03 -0.04. This improvement would be manifested in increasing DOMI, with subsequent increase in GER or net protein deposition as might be expressed in positive N retention.

show abstract

“…The 2 mL blood from each animal was collected into the vaccutainers containing anticoagulant solution and 8 mL in test tube to harvest serum. Blood samples were analyzed for blood glucose and blood urea N (BUN) according to methods described by Bull et al (1991) and blood creatinine was determined according to methods described by Davies et al (2007).…”

Section: Chemical Analysismentioning

confidence: 99%

Effect of Varying Levels of Dietary Ruminal Undegradable Protein on Feed Consumption and Growth Performance of Growing Kajli Lambs

Akhtar¹,

Ali²,

Hayat³

et al. 2016

IJAB

View full text Add to dashboard Cite

To cite this paper: Akhtar, M., M. Ali, Z. Hayat, M. Yaqoob and M. Sarwar, 2016 AbstractThe present experiment was conducted to evaluate the effect of different levels of ruminal undegradable protein (RUP) on feed consumption, digestibility and growth performance of growing Kajli lambs. In this 70 days trial, 36 growing Kajli male lambs (average weight of 20±2 kg) were used. Lambs were randomly divided into 4 groups (9 lambs per group). Four iso-caloric and iso-nitrogenous diets but varying in RUP were formulated. The control diet had 25% bypass protein and was termed as RUP25 diet. The RUP35, RUP45 and RUP55 diets contained 35, 45 and 55% RUP, respectively. The dry matter (DM), CP, neutral detergent fiber (NDF) and acid detergent fiber (ADF) intakes were higher (P< 0.05) in lambs fed RUP55 diet than those fed RUP45 diet, however, remained unchanged (P>0.05) in animals fed RUP35 and RUP25 diets. The DM and CP digestibility by lambs fed RUP25 (63.61 and 76.03%) and RUP35 (63.96 and 78.30%) diets were higher (P<0.05) than those fed RUP45 (60.11 and 73.60%) and RUP55 (59.80 and 72.80%) diets. However, NDF and ADF digestibility remained unaltered (P>0.05) across all treatments. The nitrogen balance in lambs fed RUP55 diet was 8.05 gram (g) and was higher (P<0.05) than those fed RUP45 (5.14 g) diet but it remained unchanged (P>0.05) in animals fed RUP35 (3.58 g) and RUP25 (3.63 g) diets. The blood urea nitrogen (BUN) and creatinine were higher (P<0.05) in lambs fed RUP25 and RUP35 diets than those fed RUP45 and RUP55 diets. The daily live weight gain was 170, 201, 222 and 245 g in lambs fed RUP25, RUP35, RUP45 and RUP55 diets, respectively. The feed conversion ratios in lambs fed RUP25, RUP35, RUP45 and RUP55 diets were 4.94, 4.22, 4.05 and 4.08, respectively. The best feed conversion values (P<0.05) were noticed in lambs fed RUP45 and RUP55 diets compared to those fed RUP25 and RUP35 diets. In conclusion, increasing dietary RUP concentration not only increased Kajli lamb's growth but it also improved feed efficiency.

show abstract

Digestibility, nitrogen balance, and blood metabolites in llama (Lama glama) and alpaca (lama pacos) fed barley or barley alfalfa diets

Cited by 22 publications

References 13 publications

Does the presence of livestock alter the trophic behaviour of sympatric populations of wild camelids Vicugna vicugna Molina 1782 and Lama guanicoe Müller 1976 (Artiodactyla: Camelidae)?: Evidence from Central Andes

Does the presence of livestock alter the trophic behaviour of sympatric populations of wild camelids Vicugna vicugna Molina 1782 and Lama guanicoe Müller 1976 (Artiodactyla: Camelidae)?: Evidence from Central Andes

Glucose Metabolism in Sheep Fed Grass Supplemented with <em>Gliricidia Sepium</em>

Effect of Varying Levels of Dietary Ruminal Undegradable Protein on Feed Consumption and Growth Performance of Growing Kajli Lambs

Contact Info

Product

Resources

About