374 Effects of Hydroxy Trace Mineral Supplementation on Gain and Reproductive Performance in Beef Heifers.

2018 ◽  
Vol 96 (suppl_2) ◽  
pp. 201-201
Author(s):  
S A Springman ◽  
T L Meyer ◽  
M E Drewnoski ◽  
R N Funston
Keyword(s):  
Reproductive Performance ◽  
Beef Heifers ◽  
Trace Mineral ◽  
Mineral Supplementation

Effect of nutritional management, trace mineral supplementation, and norgestomet implant on attainment of puberty in beef heifers.

1998 ◽  
Vol 76 (8) ◽  
pp. 2177 ◽  
Author(s):  
E E Grings ◽  
J B Hall ◽  
R A Bellows ◽  
R E Short ◽  
S E Bellows ◽  
...  
Keyword(s):  
Nutritional Management ◽  
Beef Heifers ◽  
Trace Mineral ◽  
Mineral Supplementation

Effects of stair-step nutrition and trace mineral supplementation on attainment of puberty in beef heifers of three sire breeds.

1999 ◽  
Vol 77 (4) ◽  
pp. 810 ◽  
Author(s):  
E E Grings ◽  
R B Staigmiller ◽  
R E Short ◽  
R A Bellows ◽  
M D MacNeil
Keyword(s):  
Beef Heifers ◽  
Trace Mineral ◽  
Mineral Supplementation

scholarly journals Impacts of Bovine Trace Mineral Supplementation on Maternal and Offspring Production and Health

Animals ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2404
Author(s):  
Megan Van Emon ◽  
Carla Sanford ◽  
Sarah McCoski
Keyword(s):  
Reproductive Performance ◽  
Animal Health ◽  
Milk Quality ◽  
Economic Consequences ◽  
Trace Mineral ◽  
Mineral Status ◽  
Offspring Production ◽  
Mineral Supplementation ◽  
Body Condition Scoring ◽  
Offspring Health

Nutritional status can have major implications for animal health and production. Energy balance is easily determined using a body condition scoring system. This allows producers to readily adjust diets to meet an animal’s needs. Far less obvious is an animal’s trace mineral status, which is typically not assessed until an animal’s performance falls below expectation or illness is detected. Trace mineral toxicities and deficiencies can manifest as reduced thriftiness and/or poor reproductive performance, resulting in economic consequences for producers. Maternal mineral status not only impacts dam heath, but also the health of subsequent offspring. Both the oocyte and embryo are susceptible to changes in maternal mineral status. This susceptibility is maintained throughout fetal development via placental control of nutrient transfer to the fetal system. Furthermore, maternal mineral status continues to impact offspring health via colostrum and milk quality. Herein we discuss the roles of trace minerals in bovine reproductive performance, maternal health, colostrum and milk quality, and offspring health.

scholarly journals 321 Effect of injectable trace mineral on reproductive performance in beef heifers

2017 ◽  
Vol 95 (suppl_2) ◽  
pp. 156-156 ◽  
Author(s):  
S. A. Springman ◽  
J. G. Maddux ◽  
M. E. Drewnoski ◽  
R. N. Funston
Keyword(s):  
Reproductive Performance ◽  
Beef Heifers ◽  
Trace Mineral

scholarly journals Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-synch Protocol in Heifers

Animals ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 849
Author(s):  
Aitor Fernandez-Novo ◽  
Sergio Santos-Lopez ◽  
Jose Luis Pesantez-Pacheco ◽  
Natividad Pérez-Villalobos ◽  
Ana Heras-Molina ◽  
...  
Keyword(s):  
Animal Welfare ◽  
Reproductive Performance ◽  
Artificial Insemination ◽  
Fixed Time ◽  
Reproductive Efficiency ◽  
Beef Heifers ◽  
Animal Management ◽  
Commercial Farms ◽  
Beef Herds ◽  
Farm Economics

In beef herds, increasing animal welfare, improving reproductive performance and easing animal management are key goals in farm economics. We explored whether delaying the removal of the intravaginal progesterone device by 24 h in heifers synchronized with a 5d Co-synch 72-h protocol could improve reproductive efficiency of fixed-time artificial insemination (FTAI). In experiment 1, we examined the total synchronization rate (TSR) in cycling Holstein heifers. Heifers (13.4 ± 0.69 mo.) were randomly assigned to the standard 5d Co-synch 56-h protocol (5dCo56; n = 10), 5d Co-synch 72-h (5dCo72; n = 17), or the modified 5d Co-synch 72-h protocol, in which removal of the progesterone device was delayed by 24 h (6dCo48; n = 19). In experiment 2, 309 cycling beef heifers on 18 commercial farms were subjected to the 5d Co-synch 72-h or 6-d Co-synch 48-h protocol and conception rate (CR) studied. In experiment 1, the three protocols led no differences on TSRs of 80.0% (5dCo56), 88.2% (5dCo72), and 89.5% (6dCo48). In experiment 2, the CR from the beef heifers, observed during two consecutive reproductive seasons did not differ: 59.7% for 5dCo72 and 62.0% for 6dCo48 (p = 0.907). Therefore, delaying removal by 24 h provides satisfactory results without reducing reproductive efficiency of heifers.

PSIII-25 The effects of varying levels of trace mineral supplementation on mineral balance and antibody concentrations in feedlot cattle

2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 287-288
Author(s):  
Brittany A Lippy ◽  
Blake K Wilson ◽  
Colton A Robison
Keyword(s):  
Negative Control ◽  
Feedlot Cattle ◽  
Trace Mineral ◽  
Herpesvirus Type ◽  
Diarrhea Virus ◽  
Mineral Supplementation ◽  
Normal Ranges ◽  
Bovine Herpesvirus Type 1 ◽  
Trends Over Time ◽  
Viral Diarrhea Virus

Abstract Trace mineral (TM) supplementation is critical for optimal performance and health. The objective was to determine the effects of varying levels of TM supplementation on feedlot cattle TM status and antibody concentrations. Angus steers (n = 240; BW = 291 kg ± 27.4) were stratified by arrival BW and source and assigned to 1 of 4 treatments (12 pens/treatment; 5 steers/pen). Treatments included a negative control (CON) in which cattle received no TM supplementation, a requirement treatment (1X) in which cattle received added TM at 2016 Nutrient Requirements of Beef Cattle required levels, a 2 times requirements (2X), and a 4 times requirements (4X) treatment. Selenium was included at 0.1, 0.2, and 0.3 mg/kg for 1X, 2X, and 4X respectively. Treatments were chosen based on reported TM supplementation levels from the 2015 Feedlot Consulting Nutritionist Survey. One steer was chosen at random from each pen to be evaluated for serum and liver TM status and antibody concentrations to respiratory viruses. There was treatment × day interaction for serum Co, and liver Cu and Se (P < 0.0001). Serum Co was greatest for the 4X treatment from d 28 through harvest. Liver Cu was greatest for the 2X and 4X treatments from d 56 through harvest. Liver Se was greatest for 2X and 4X from d 28 through harvest. There was an effect of day on liver Co, Fe, Mn, Mo, and Zn (P < 0.0001) and serum Cu, Mn, Mo, Se, and Zn (P < 0.0019). Concentrations for individual TM had different trends over time, however, all reported values were within normal ranges. Serum Zn was greater at harvest (P = .02). There was an effect of time on Bovine Viral Diarrhea Virus Type 1A, Bovine Herpesvirus Type 1, Bovine Parainfluenza 3 virus antibody titer concentrations (P < 0.0001).

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