Comparison of concentrate feeding strategies for growing dairy bulls

Manni, Katariina; Rinne, Marketta; Huhtanen, Pekka

doi:10.1016/j.livsci.2012.12.006

Cited by 20 publications

(20 citation statements)

References 32 publications

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“…Although the mechanisms of compensatory growth and its consequences for animal performance have been studied in several experiments (Sainz et al 1995, Rossi et al 2001, Manni et al 2013, still many aspects of this phenomenon are poorly understood.…”

Section: Manuscript Received March 2017mentioning

confidence: 99%

“…Reducing them without diminishing animal performance would improve profitability of beef production. Different feeding strategies may, however, affect substantially animal performance (Keane et al 2006, Huuskonen et al 2007, Manni et al 2013.…”

Section: Introductionmentioning

confidence: 99%

“…Incorporating a period of feed restriction during the growing phase and then increasing feeding during the finishing phase can improve growth and feed efficiency (Knoblich et al 1997; Trial 1, Rossi et al 2001; Trial 1), reduce total dry matter (DM) intake (DMI) and in consequence cut feeding costs (Knoblich et al 1997; Trial 1) and reduce carcass fatness (Wright andRussel 1991, Rossi et al 2001;Trial 1, Manni et al 2013). However, experiments of compensatory growth have given conflicting results on animal performance, feed intake and carcass composition (Rompala et al 1985, Sainz et al 1995, Knoblich et al 1997, Manni et al 2013, Keogh et al 2015.…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Manuscript Received March 2017mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

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 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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“…Missio et al (2009) and Manni et al (2013) reported that reducing the level of fiber in the diets and increasing the K p , thereby decreasing retention in the rumen, resulting in a linear increase in intake. This can be explained initially by the linear decrease in the consumption of NDF (Table 2), which had its proportion in the diet decreased with increasing levels of alfalfa hay (Table 1).…”

Section: Discussionmentioning

confidence: 99%

Nutritional value, performance, feeding behavior and serum biochemical profile of sheep fed with alfalfa hay replacing Bermuda grass ( Cynodon dactylon (L.) Pers.) hay

Silva

Véras

Carvalho

et al. 2017

Chil. j. agric. res.

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Grasses and legumes are two groups of plants physic and chemically different (amount of crude protein and fiber, mostly), very used in animal feed, whose differences can determine variation in intake, digestibility and animal behavior. We aimed to evaluate performance, feeding behavior and the serum biochemical profile of sheep. The treatments were four levels of substitution of Bermuda grass (Cynodon dactylon [L.] Pers.) hay for alfalfa (Medicago sativa L.) hay (0, 330, 660 and 1000 g kg -1 DM). The randomized block design was used being two blocks and four treatments with 10 replicates). There were no effects on the performance of animals. On the other hand, there was a positive linear effect (P < 0.05) for intake of DM, organic matter, crude protein (CP), total carbohydrates, and non-fibrous carbohydrates. However, the use of neutral detergent fiber (NDF) showed linear decrease with the increase in alfalfa hay (P < 0.05). CP and NDF decreased linearly (P < 0.05) with the replacement of Bermuda grass hay for alfalfa hay. There were decreasing linear effects (P < 0.05) when compared to the time of ingestion and chewing of feed, and increasing linear effects regarding total resting time. Estimated passage rate, density of particles and blood glucose showed a positive linear effect (P < 0.05), while weight of gastrointestinal contents decreased according to alfalfa levels (P < 0.05). The replacement of Bermuda grass hay by alfalfa hay to promote improvement in the performance is not recommended.Key words: Behavior, digestibility, intake, legumes, Medicago sativa. ABSTRACTNutritional value, performance, feeding behavior and serum biochemical profile of sheep fed with alfalfa hay replacing Bermuda grass (Cynodon dactylon (L.) Pers.) hay

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Comparison of concentrate feeding strategies for growing dairy bulls

Cited by 20 publications

References 32 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

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

Nutritional value, performance, feeding behavior and serum biochemical profile of sheep fed with alfalfa hay replacing Bermuda grass ( Cynodon dactylon (L.) Pers.) hay

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