1572 Effects of feeding functional oils or monensin on feedlot performance and carcass traits of Nellore cattle

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 763-764
Author(s):  
A. C. Melo ◽  
M. C. Pereira ◽  
A. L. Rigueiro ◽  
D. H. M. Watanabe ◽  
M. M. Squizatti ◽  
...  
Keyword(s):  
Carcass Traits ◽  
Feedlot Performance ◽  
Nellore Cattle ◽  
Functional Oils

scholarly journals Feedlot performance, feed efficiency and carcass traits in Nellore cattle selected for postweaning weight

2013 ◽  
Vol 42 (2) ◽  
pp. 125-129 ◽  
Author(s):  
Tatiana Lucila Sobrinho ◽  
Sarah Figueiredo Martins Bonilha ◽  
Heraldo Cesar Gonçalves ◽  
André Michel de Castilhos ◽  
Elaine Magnani ◽  
...  
Keyword(s):  
Feed Efficiency ◽  
Carcass Traits ◽  
Feedlot Performance ◽  
Nellore Cattle

1400 Feedlot performance and carcass traits of Nellore cattle fed different combinations of sodium monensin and virginiamycin

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 678-678
Author(s):  
A. L. Rigueiro ◽  
F. P. Luiz ◽  
M. M. Squizatti ◽  
A. H. Assumpção ◽  
M. M. Ferreira ◽  
...  
Keyword(s):  
Carcass Traits ◽  
Feedlot Performance ◽  
Nellore Cattle

scholarly journals 88 Feedlot performance and carcass traits of Nellore cattle fed virginiamycin to shorten the adaptation period to high-concentrate diets.

2018 ◽  
Vol 96 (suppl_3) ◽  
pp. 405-405
Author(s):  
A Rigueiro ◽  
A Silvestre ◽  
M Squizatti ◽  
C Garcia ◽  
D Estevam ◽  
...  
Keyword(s):  
Carcass Traits ◽  
Adaptation Period ◽  
Feedlot Performance ◽  
Nellore Cattle

Impacts of adding functional oils or sodium monensin in high-concentrate diets on performance, feeding behaviour and rumen morphometrics of finishing Nellore cattle

2020 ◽  
Vol 158 (1-2) ◽  
pp. 136-142
Author(s):  
A. C. B. Melo ◽  
M. C. S. Pereira ◽  
A. L. N. Rigueiro ◽  
D. D. Estevam ◽  
A. F. Toledo ◽  
...  
Keyword(s):  
Feeding Behaviour ◽  
Dry Matter ◽  
Feed Additives ◽  
Dry Matter Intake ◽  
Feed Ratio ◽  
State University ◽  
Feedlot Performance ◽  
Nellore Cattle ◽  
Functional Oils ◽  
Daily Gain

AbstractThis study, conducted at the São Paulo State University feedlot, Dracena campus, Brazil, was designed as a completely randomized block with 2 × 2 factorial arrangement of treatments to evaluate the effects of adding functional oils (FO) or sodium monensin (MON) on feedlot performance, carcass traits, feeding behaviour and rumen morphometrics of Nellore cattle. Ninety-six 20-mo-old Nellore bulls (365.52 ± 39.19 kg) were randomly allocated to 24 pens (n = 4/pen), which were assigned to the treatments: (1) Control (no feed additives); (2) FO (500 ppm); (3) MON (27 ppm); and (4) MON + FO (27 + 500 ppm, respectively). Each treatment was replicated 6 times, and cattle were fed for 105 days. From 0 to 28 days on feed, cattle fed FO had lower dry matter intake (DMI) variation, sorted for medium particles and presented smaller papillae width. The feeding of FO did not negatively impact feedlot performance overall. When MON was added to the diet, cattle had lower DMI overall and 12th rib fat daily gain, and improved gain to feed ratio. The addition of MON to diets improved feedlot performance but reduced the rate of carcass fat deposition. The few effects observed when FO was added to diets were not sufficient to impact feedlot performance.

scholarly journals Feedlot performance, feeding behavior and rumen morphometrics of Nellore cattle submitted to different feeding frequencies

2018 ◽  
Vol 75 (2) ◽  
pp. 121-128 ◽  
Author(s):  
Juliana da Silva ◽  
Tássia Veluma Barbosa Carrara ◽  
Murillo Ceola Stefano Pereira ◽  
Cassiele Aparecida de Oliveira ◽  
Ivan Carlos Batista Júnior ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Feedlot Performance ◽  
Nellore Cattle

Different combinations of sodium monensin and virginiamycin during feedlot finishing of Nellore cattle

2020 ◽  
Vol 60 (8) ◽  
pp. 1061
Author(s):  
A. L. N. Rigueiro ◽  
M. C. S. Pereira ◽  
M. M. Squizatti ◽  
M. M. Ferreira ◽  
S. C. Dondé ◽  
...  
Keyword(s):  
Average Daily Gain ◽  
Feed Additives ◽  
Proliferation Index ◽  
Adaptation Period ◽  
Longissimus Muscle ◽  
Feeding Period ◽  
Feedlot Performance ◽  
Muscle Area ◽  
Nellore Cattle ◽  
Daily Gain

Context The use of two feed additives, to maximise rumen fermentation, in finishing diets offered to feedlot cattle may positively impact performance. Aims This study, conducted at the São Paulo State University feedlot, Botucatu campus, Brazil, was designed to evaluate the effects of the combined use of monensin (MON; 30 mg/kg of dry matter; (DM)) and virginiamycin (VM; 25 mg/kg of DM) in high-concentrate diets during the adaptation and finishing periods on feedlot performance, carcass traits, feeding behaviour, blood gas profile, rumen morphometrics and apparent total tract digestibility of nutrients of Nellore cattle. Methods The experiment was designed as a completely randomised block, replicated six times (3 bulls/pen), in which 72 20 months of age yearling Nellore bulls (388.0 ± 31.1 kg) were fed in 24 pens for 90 days according to the treatments: (1) MON during the entire feeding period (T1), (2) MON + VM during adaptation and only VM during the finishing period (T2), (3) MON + VM during the entire feeding period (T3), and (4) VM during the adaptation and MON + VM during the finishing period (T4). The adaptation program consisted of ad libitum feeding of three diets over the adaptation period of 19 days with concentrate level increasing from 69% to 84% of diet DM. Key results Overall, bulls fed on T2 had a greater DM intake (P < 0.01), final bodyweight (P = 0.04), average daily gain (P = 0.03), hot carcass weight (P < 0.01), final Longissimus muscle area (P = 0.05), Longissimus muscle area daily gain (P = 0.01), improved carcass G:F (P < 0.01) and increased dressing percentage (P < 0.01). Similarly, bulls fed on T2 were faster to consume 1 kg of either DM (P < 0.01) or neutral detergent fibre (P < 0.01) after 60 days on feed. Furthermore, bulls fed on T2 presented a greater (P = 0.05) cell proliferation index in the rumen papillae. Conclusions According to the results, Nellore yearling bulls should be fed high-concentrate diets containing MON and VM during adaptation, and only VM during the finishing period to improve overall feedlot performance. Implications The use of both MON and VM proved to be helpful only during the adaptation period.

Feedlot performance, carcass traits, and palatability traits of Hereford and Hereford x Brahman steers.

1995 ◽  
Vol 73 (12) ◽  
pp. 3613 ◽  
Author(s):  
J A Sherbeck ◽  
J D Tatum ◽  
T G Field ◽  
J B Morgan ◽  
G C Smith
Keyword(s):  
Carcass Traits ◽  
Feedlot Performance ◽  
Brahman Steers
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