Effects of graded levels of potato by-products in barley- and corn-based beef feedlot diets: I. Feedlot performance, carcass traits, meat composition, and appearance.

Busboom, J. R.; Cronrath, J.D.; Falen, L.; Blankenbaker, A.

doi:10.2527/2000.7871829x

Cited by 46 publications

(51 citation statements)

References 37 publications

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“…The similar visual score (L*-value) was confirmed by the myoglobin content, a biochemical parameter. The tendency for a higher moisture content of the meat and a higher drip loss does not agree with other experiments (Boucqué et al, 1982;Nelson et al, 2000;Radunz et al, 2003). In conclusion, culled potatoes stimulated intake in finishing BBDM beef cows.…”

Section: Discussioncontrasting

confidence: 60%

“…The increased dressing percentage for cows fed potatoes is in agreement with previous results obtained with BBDM bulls (unpublished data). Most reports dealing with the effect of potato by-products did not mention significant differences for carcass characteristics (Nelson et al, 2000;Radunz et al, 2003). These authors also noted only small differences in meat composition and quality, owing to potato by-products.…”

Section: Discussionmentioning

confidence: 97%

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Effect of cull potatoes in the diet for finishing Belgian Blue double-muscled cows

Fiems¹,

Boever²,

Vanacker³

et al. 2013

Animal

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The use of culled potatoes was investigated in Belgian Blue double-muscled finishing cows, confined in tie stalls. The control diet (Treatment 1) consisted of concentrate and maize silage (50/50 on a dry matter (DM) basis). Potatoes either replaced 60% maize silage (Treatment 2) or 60% concentrate (Treatment 3). Diets were formulated to be isocaloric and isonitrogenous. They were fed ad libitum. Approximately 18 kg potatoes were fed daily in Treatments 2 and 3. Daily gain was not significantly altered; it decreased from 1.09 kg (Treatment 1) to 1.04 kg (Treatment 2) or increased to 1.20 kg (Treatment 3), although potatoes stimulated DM intake by 5% to 8% ( P , 0.05). Feed conversion was unaffected in comparison with the control diet, when expressed in terms of DM, but energy efficiency (MJ/kg live weight gain) was substantially lower for Treatment 2 compared with Treatment 1 (89.9 v. 79.0; P 5 0.046). Carcass weight, grading and composition were not affected by treatments, but potatoes increased dressing percentage ( P 5 0.009). Treatment had no significant effect on meat quality parameters. However, potatoes (Treatments 2 and 3) tended to decrease moisture content ( P 5 0.090) and tended to increase drip loss ( P 5 0.059) compared with Treatment 1. Because of a better animal performance and a lower feed cost, it is most appropriate to use potatoes as a replacement for concentrate. Feeding large amounts of potatoes besides concentrate may have an adverse effect on the fibrousness of the diet, resulting in a tendency (25%) for a reduced daily gain and a lower energy efficiency ( P , 0.05).

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Section: Discussioncontrasting

confidence: 60%

Section: Discussionmentioning

confidence: 97%

Effect of cull potatoes in the diet for finishing Belgian Blue double-muscled cows

Fiems¹,

Boever²,

Vanacker³

et al. 2013

Animal

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“…Also, there does not appear to be distinct phylogenetic lineages of "ovine" or "bovine" methanogens. Furthermore, although potato by-products and corn-based diets are commonly used in cattle feedlot diets in the United States and Canada (1,15,16), very little is known about the effect, if any, of these two different finishing diets on methanogen diversity. Interestingly, Kocherginskaya et al (13) reported that corn-fed steers displayed more diverse bacterial populations than hay-fed animals.…”

Section: Resultsmentioning

confidence: 99%

Molecular Diversity of Methanogens in Feedlot Cattle from Ontario and Prince Edward Island, Canada

Wright

Auckland

Lynn

2007

Appl Environ Microbiol

158

141

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The molecular diversity of rumen methanogens in feedlot cattle and the composition of the methanogen populations in these animals from two geographic locations were investigated using 16S rRNA gene libraries prepared from pooled PCR products from 10 animals in Ontario (127 clones) and 10 animals from Prince Edward Island (114 clones). A total of 241 clones were examined, with Methanobrevibacter ruminantium accounting for more than one-third (85 clones) of the clones identified. From these 241 clones, 23 different 16S rRNA phylotypes were identified. Feedlot cattle from Ontario, which were fed a corn-based diet, revealed 11 phylotypes (38 clones) not found in feedlot cattle from Prince Edward Island, whereas the Prince Edward Island cattle, which were fed potato by-products as a finishing diet, had 7 phylotypes (42 clones) not found in cattle from Ontario. Five sequences, representing the remaining 161 clones (67% of the clones), were common in both herds. Of the 23 different sequences, 10 sequences (136 clones) were 89.8 to 100% similar to those from cultivated methanogens belonging to the orders Methanobacteriales, Methanomicrobiales, and Methanosarcinales, and the remaining 13 sequences (105 clones) were 74.1 to 75.8% similar to those from Thermoplasma volcanium and Thermoplasma acidophilum. Overall, nine possible new species were identified from the two clone libraries, including two new species belonging to the order Methanobacteriales and a new genus/species within the order Methanosarcinales. From the present survey, it is difficult to conclude whether the geographical isolation between these two herds or differences between the two finishing diets directly influenced community structure in the rumen. Further studies are warranted to properly assess the differences between these two finishing diets.

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“…Milner et al 1995;Owens et al 1995;Beauchemin et al 1997;Nelson et al 2000). This variability can be attributed in part to differences in energy concentration of the diets, CP source and concentration, roughage source and amount, and grain processing.…”

Section: Animal Performancementioning

confidence: 99%

Barley- versus protein-supplemented corn-based diets for feedlot cattle evaluated using the NRC and CNCPS beef models

Koenig¹,

Beauchemin²

2005

Can. J. Anim. Sci.

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. 2005. Barley-versus protein-supplemented corn-based diets for feedlot cattle evaluated using the NRC and CNCPS beef models. Can. J. Anim. Sci. 85: 377-388. A study was conducted to evaluate the effects of supplementing a corn-based finishing diet [10.0% crude protein (CP), 6.2% degradable intake protein (DIP), dry matter basis, no protein supplementation] with DIP in the form of urea (13.0% CP, 9.1% DIP) or canola meal and urea (12.8% CP, 8.6% DIP) on dry matter intake (DMI) and average daily gain (ADG). Animal performances were compared with those obtained by feeding a barley-based diet (13.9% CP, 9.6% DIP). Crossbred beef steers (398 ± 28 kg) were allocated to 24 pens and six pens were assigned to each diet. There were no differences (P > 0.05) in DMI and ADG between cattle fed the barley diet and those fed the corn diets supplemented to provide a concentration of DIP similar to that supplied by the barley diet. However, ADG was 10% lower and DMI was 8% lower for cattle fed the corn diet with no protein supplementation (P < 0.05). The NRC and CNCPS models predicted the substantially lower gain of cattle fed the corn diet with no protein supplementation, but underestimated the improvement in performance when the corn diet was supplemented with urea or canola meal and urea to supply the requirement for DIP. . Ils ont comparé le rendement des animaux à celui obtenu avec une ration à base d'orge (13,9 % PB, 9,6 % PD). Des bouvillons de boucherie hybrides (398 ± 28 kg) ont été répartis dans 24 enclos et une ration différente a été utilisée pour chaque groupe de six enclos. L'IMS et le GQM sont les mêmes (P > 0,05) pour les animaux nourris d'orge et ceux qui recevaient la ration à base de maïs enrichie pour donner une concentration de PD similaire à celle de la ration à base d'orge. Toutefois, les sujets engraissés avec la ration à base de maïs non enrichie de protéines affichaient un GQM plus faible de 10 % et une IMS plus faible de 8 % (P < 0,05). Les modèles du NRC et CNCPS prévoyaient un gain nettement plus bas pour les bovins nourris de maïs sans supplément protéique, mais ils sous-estiment la hausse de rendement attribuable au relèvement de la concentration de PD par addition d'urée ou de tourteau de canola et d'urée à la ration.

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Effects of graded levels of potato by-products in barley- and corn-based beef feedlot diets: I. Feedlot performance, carcass traits, meat composition, and appearance.

Cited by 46 publications

References 37 publications

Effect of cull potatoes in the diet for finishing Belgian Blue double-muscled cows

Effect of cull potatoes in the diet for finishing Belgian Blue double-muscled cows

Molecular Diversity of Methanogens in Feedlot Cattle from Ontario and Prince Edward Island, Canada

Barley- versus protein-supplemented corn-based diets for feedlot cattle evaluated using the NRC and CNCPS beef models

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