Browsing by Subject "reproduction"
Now showing items 1-16 of 16
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(2009-06-02)Large rivers in North America have been subjected to a variety of hydrologic alterations that have negatively impacted aquatic fauna. These impacts have triggered restoration efforts, including management of flows, to ...
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(2016-12-13)Wild pigs are an invasive species widely distributed throughout Australia and the Americas. Wild pigs are carriers of over 30 zoonotic diseases and are a major source of crop destruction, with damages associated with pigs ...
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(2018-07-05)Captive red river hogs (RRH) have variable reproductive success yet potential causes are unknown. We hypothesized that non-breeding females would cycle or cycle more regularly and non-breeding males with low libido would ...
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(2009-05-15)Horse owners commonly maintain their broodmares in training and competition during the breeding season. The effect this has on mare reproductive efficiency has received limited attention. Heat stress has shown to be ...
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(2020-01-14)The genetics of longevity in beef cattle production is a critical aspect of efficiency, thus making it an economically important trait. Variation in longevity has been observed between different breeds, and is dependent ...
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(2011-10-21)These studies were designed to evaluate the relationships that exist between residual feed intake, parity, rate of return to estrous cyclicity and nonesterified fatty acid (NEFA) concentrations, as well as changes in ...
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(Texas A&M University, 2008-10-10)Sire and family effects were evaluated for calf growth, udder and teat conformation, and reproduction traits in 2- to 4- yr-old cows from the McGregor Genomics Project. Cows were produced by embryo transfer (ET) and natural ...
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(Texas Agricultural Experiment Station, 1984)
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(2011-08-08)The current study involved two experiments that were conducted at the Texas A&M AgriLife Research and Extension Center in Uvalde, TX (semi-arid environment) from 2006 to 2008. In experiment one, Bonsmara bulls ( n = 39; ...
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The influence of tropical adaptation and breedtype on adrenal and testicular function in beef bulls (Texas A&M University, 2005-08-29)Bulls of various breedtypes including Angus (Bos taurus), Bonsmara (Sanga X Bos taurus), Brahman (Bos indicus), Romosinuano (Criollo), Tuli (Sanga) and Wagyu (Japanese Bos taurus) were utilized to evaluate the influence ...
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(2013-01-28)The seasonal termination of ovarian cycles in mares initiated near the time of the autumnal equinox is a significant managerial issue for horse breeders world-wide. Studies presented herein had two over-arching aims. In ...
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(2020-03-25)Iodine, an essential component of thyroid hormone, can only be obtained through the diet. The sodium iodide symporter (NIS) transports iodide across mammalian intestinal and thyroid epithelia to deliver iodide for thyroid ...
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(2013-11-25)Hemicastration is a veterinary surgical procedure in stallions and may be needed for removal of a diseased testicle. The effects of hemicastration on the neuroendocrine system and the hormonal response of the remaining ...
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(2021-12-08)Four experiments were conducted to evaluate: (1) effects of calcium salts of soybean oil (CSSO) supplementation to Bos taurus beef cows post-AI on conception rates and (2) on pregnancy establishment factors; (3) effects ...
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(2011-04-26)We investigated the mechanisms behind reproductive allocation in sheepshead swordtail fish (Xiphophorus birchmanni). Classic life history theory predicts a trade-off between offspring size and number such that females with ...
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(2019-11-22)Several factors are responsible for the health decline currently faced by managed honey bees (Apis mellifera) worldwide, including pests, pathogens, queen failure, pesticide contamination, habitat fragmentation and nutritional ...