Results 21 to 30 of about 148,897 (216)

Average daily gain rates determine eye muscle area and rump fat depth of beef heifers

open access: yesItalian Journal of Animal Science, 2019
In cow-calf beef production systems, the growth and development of replacement heifers deserve special attention because they affect the age at puberty and the onset of reproductive activity.
Fredy Andrey Lopez Gonzalez   +7 more
doaj   +1 more source

OESTRUS, LH, OVULATION AND FERTILITY IN BEEF HEIFERS [PDF]

open access: yesReproduction, 1975
University of Nebraska, and U.S. Department of Agriculture, Clay Center, Nebraska 68933, U.S.A. (Received 18th November 1974) The pregnancy rate resulting from matings at a single oestrus in beef cattle averages 70% for natural mating (Turman, Laster, Renbarger & Stephens, 1971) and 60% for artificial ...
Christenson, R. K.   +2 more
openaire   +2 more sources

Enhancing the nutritional and health value of beef lipids and their relationship with meat quality [PDF]

open access: yes, 2014
This paper focusses on dietary approaches to control intramuscular fat deposition to increase beneficial omega-3 polyunsaturated fatty acids (PUFA) and conjugated linoleic acid content, and reduce saturated fatty acids in beef.
Scollan, Nigel D.   +11 more
core   +1 more source

Forage-Based Heifer Development Program for North Florida

open access: yesEDIS, 2018
Florida has 915,000 beef cows and 125,000 replacement heifers (USDA, 2016). Developing these heifers so that they can become productive females in the cow herd is a tremendous investment in a cow/calf operation, an investment that takes several years to
Jose C.B. Dubeux   +3 more
doaj   +5 more sources

Evaluation of age, weaning weight, body condition score, and reproductive tract score in pre-selected beef heifers relative to reproductive potential

open access: yesJournal of Animal Science and Biotechnology, 2019
Background Artificial insemination is a preferred breeding method for beef heifers as it advances the genetic background, produces a predictive and profitable calving season, and extends the heifer’s reproductive life span.
Sarah E. Dickinson   +7 more
doaj   +1 more source

Luteolytic effect of oestrone sulphate on cyclic beef heifers [PDF]

open access: yesReproduction, 1979
Summary. The action of oestrone sulphate on luteal function was tested in cyclic beef heifers. Once daily injection of 28 or 56 mg oestrone sulphate in corn oil beginning on Day 10 of the cycle had a significant luteolytic effect as compared to corn oil-treated controls.
Eley, RM, Thatcher, WW, Bazer, FW
openaire   +4 more sources

Maxillary osteosarcoma in a beef suckler cow [PDF]

open access: yes, 2012
A ten-year-old beef suckler cow was referred to the Scottish Centre for Production Animal Health and Food Safety of the University of Glasgow, because of facial swelling in the region of the right maxilla.
Prins, D.G.J.   +11 more
core   +1 more source

Growth Performance, Carcass Characteristics and Economic Viability of Nguni Cattle Fed Diets Containing Graded Levels of Opuntia ficus-indica

open access: yesAgriculture, 2022
Given the severe droughts caused by global warming, smallholder beef cattle farmers are faced with serious forage and feed scarcity. This becomes worse for resource-poor farmers who cannot afford commercial feeds.
Ayanda Nyambali   +8 more
doaj   +1 more source

Puberty in Beef Heifers: A Review

open access: yesJurnal Ilmu Peternakan Dan Veteriner, 2018
Performans reproduksi optimum dari ternak betina adalah faktor yang sangat penting dalam suatu usaha peternakan sapi potong, sebab sebuah perusahaan peternakan sapi potong hanya dapat berlangsung dengan baik jika ada cukup pedet yang dilahirkan, bertumbuh dengan baik sampai dipasarkan.
openaire   +2 more sources

Ingestive behavior, performance and forage intake by beef heifers on tropical pasture systems

open access: yesRevista Brasileira de Zootecnia, 2013
The experiment was carried out to evaluate forage intake, performance and ingestive behavior of beef heifers. Productive, structural and chemical characteristics of the pasture were also evaluated. The experimental design was completely randomized in a 3
Renato Alves de Oliveira Neto   +7 more
doaj   +1 more source

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