Effects of barley intake and allocation regime on performance of growing dairy bulls offered highly digestible grass silage

Manni, Katariina; Rinne, Marketta; Huuskonen, Arto

doi:10.1016/j.livsci.2016.07.004

Cited by 10 publications

(9 citation statements)

References 25 publications

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“…This trend was observed in the present experiment in the steadily fed groups A and R, consistently with many other experiments (Keane 2010, Manni et al 2013, Manni et al 2016). …”

Section: Feed Conversion Ratesupporting

confidence: 93%

“…This trend was observed in the present experiment ( Fig. 1) in accordance with many earlier experiments (Knoblich et al 1997, Rossi et al 2001, Huuskonen et al 2007, Huuskonen 2009, Manni et al 2016. During the compensatory growth LWG typically increases when feed or nutrient intake increases after a restriction period, even so much that it enables animals to catch up to the weight of animals whose growth was not reduced (Hornick et al 2000).…”

Section: Feed Intake and Growthsupporting

confidence: 92%

“…The result is consistent with the experiment of Steen and Kilpatrick (2000), who concluded that reducing slaughter weight is the most effective strategy to reduce carcass fatness. In many experiments, carcass fatness has tended to increase with increasing growth rate (Keane et al 2006, Herva et al 2011, Manni et al 2013, Manni et al 2016. Similarly, in the present experiment carcass fatness increased numerically with increasing growth rate.…”

Section: Carcass Qualitysupporting

confidence: 76%

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Effects of different restricted feeding strategies on performance of growing and finishing dairy bulls offered grass silage and barley based diets

Manni

Rinne

Joki‐Tokola

et al. 2017

AFSci

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The objective of this study was to determine the effects of restricted feeding strategies on performance of growing and finishing dairy bulls. The feeding experiment comprised in total 32 Finnish Ayrshire bulls with an initial mean live weight (LW) of 122 kg and age of 114 days. Feeding treatments were silage ad libitum and daily barley allowance of 93 g dry matter kg -1 LW 0.60 (A); restricted feeding (R) at 0.80 × A; increasing feeding (I) similar to R until LW of 430 kg and thereafter similar to A; and decreasing feeding (D) similar to A until LW of 430 kg and thereafter similar to R. Restricted feeding strategies decreased daily dry matter intake and LW gain and increased the time to reach the target carcass weight (300 kg). Bulls on I exhibited compensatory growth. There were no significant differences in dry matter or energy efficiency between the treatments. The present experiment indicates that silage intake ad libitum and supplemented with concentrate resulted in most effective beef production.

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“…This trend was observed in the present experiment in the steadily fed groups A and R, consistently with many other experiments (Keane 2010, Manni et al 2013, Manni et al 2016). …”

Section: Feed Conversion Ratesupporting

confidence: 93%

Section: Feed Intake and Growthsupporting

confidence: 92%

Section: Carcass Qualitysupporting

confidence: 76%

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Effects of different restricted feeding strategies on performance of growing and finishing dairy bulls offered grass silage and barley based diets

Manni

Rinne

Joki‐Tokola

et al. 2017

AFSci

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“…Previous reports have shown no effects of silage digestibility on dressing proportion, carcass conformation and fat scores (Steen 1988b, Cummins et al 2007, Manninen et al 2011). However, increasing energy intake has often increased carcass conformation (Aronen et al 1994, Caplis et al 2005, Pesonen et al 2013, Huuskonen and Huhtanen 2015 and carcass fatness (Huuskonen et al 2007, Pesonen et al 2013, Huuskonen and Huhtanen 2015, Manni et al 2016 of growing and finishing cattle but these effects could not be demonstrated in the present experiment.…”

Section: Discussioncontrasting

confidence: 55%

A comparison of first-, second- and third-cut timothy silages in the diets of finishing beef bulls

Huuskonen

Pesonen

2017

AFSci

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The objective of the present experiment was to study the effects of the third-cut grass silage compared with the first-and second-cut silages on intake, performance and carcass characteristics of finishing bulls. A feeding experiment comprised 45 Simmental bulls which were fed a total mixed ration ad libitum. The three dietary treatments included either first-, second-or third-cut grass silage (550 g kg -1 dry matter), rolled barley (435 g kg -1 dry matter) and a mineral-vitamin mixture (15 g kg -1 dry matter). Dry matter and energy intakes and growth rates of the bulls increased when either first-or third-cut silages were used instead of the second-cut silage. This was probably due to differences in digestibility, which was the lowest in the second-cut silage. There were no differences in intake or growth between the first-and third-cut silage-based rations. No significant differences in carcass traits among the feeding treatments were observed.

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“…The second group terms of feed allowance was more strict and firm than the first. The restriction of the amount of concentrate allowance such as by the second trial imposed on the second group of calves was found by other researchers (Manni et al, 2013), (Cross M et al, 2015) and (Manni et al, 2016) to be significant in terms of decreasing the wasted or lost feed intake and higher feed utilization efficiency. The FCR of the second trial was significantly (p<0.05) higher by almost 3 kg than the first trial (Table 2) which was also found in Sharabi breed calves (Abdullah et al 2010) fed on 4% concentrates of their body weight.…”

Section: Resultsmentioning

confidence: 86%

Evaluation of Two Methods of Feeding for the Fattening of Dhofari Calves

Bahashwan¹,

Alrawas²

2017

IJSRAS

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Abstract. The objective of this experiment was to evaluate two different trials for fattening Dhofari calves and find out which one was more economically profitable .A total of 12 local Dhofari calves were used and divided into two equal groups. Each group consisted of 6 calves of 12 months of age, with an average live body weight (LBW) of 206.7 ±7.48 kg. They were fed for 154 days with two different methods of fattening. In the first method calves were fed 3.25% of their live body weight, 77.5% of it as a commercial concentrate and 22.5% as Rhodes grass hay. In the second method calves were fed starting with 4.00 Kg commercial concentrate with increasing of 0.5 kg for every 25 kg live body weight increase while Rhodes grass hay was fixed by 3 kg. Daily feed consumption (DFC), total weight gain (TWG), daily weight gain (DWG), feed conversion ratio (FCR), and cost of production per one kilogram gain (CPG) were measured. The experiment started from April to September. Effect of season on FCR, DFC, and CPG was also investigated. Results showed significance (p <0.05) between the two trials in terms of DFC, FCR, and CPG in favor for the second trial. Results showed there was significant (P<0.05) effect of season on DFC, FCR, and CPG in both trials in favor for the summer season. It was concluded that fattening Dhofari growing calves breed on the second trial would be the economically profitable choice.

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Effects of barley intake and allocation regime on performance of growing dairy bulls offered highly digestible grass silage

Cited by 10 publications

References 25 publications

Effects of different restricted feeding strategies on performance of growing and finishing dairy bulls offered grass silage and barley based diets

Effects of different restricted feeding strategies on performance of growing and finishing dairy bulls offered grass silage and barley based diets

A comparison of first-, second- and third-cut timothy silages in the diets of finishing beef bulls

Evaluation of Two Methods of Feeding for the Fattening of Dhofari Calves

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