418 Economics of Creep Feeding a Spring Calving Beef Herd in the Nebraska Sandhills.

Broadhead, Devin; Stockton, Matt; Stalker, Leslie Aaron; Musgrave, Jacqueline A.; Funston, R. N.

doi:10.1093/jas/sky073.415

Cited by 3 publications

(2 citation statements)

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“…Additional costs associated with creep feeding equipment and labor were not factored into the analysis, which would further erode any potential financial benefit of creep feeding to a meat goat enterprise. Broadhead et al (2018) reported that although creep feeding increased calf weaning weights, the added costs of creep feeding (feed, labor, equipment, etc.) resulted in a loss of $71.05/calf marketed for creep-fed calves compared with noncreep-fed calves over 3 yr.…”

Section: Resultsmentioning

confidence: 99%

Effects of creep feeding and its interactions with other factors on the performance of meat goat kids and dams when managed on pasture

Hayes

Lourençon

Browning

2019

Translational Animal Science

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Creep feeding and its possible interactions with other influential factors (genetics, litter type, and sex) for weaning traits were studied in meat goat kids and their dams. Kids across 3 yr were creep fed (254 kids; 5 pens) or not creep fed (255 kids; 5 pens) from 30 to 90 d of age. Creep-fed kids had higher (P ≤ 0.05) preweaning average daily weight gain and weaning weights (113.1 ± 13.0 g/d; 15.0 ± 0.8 kg) than kids not creep fed (99.8 ± 13.1 g/d; 14.0 ± 0.8 kg). However, financial returns were not higher (P > 0.05) for creep-fed kids compared with kids not creep fed. There was no difference (P > 0.05) in kid conformation score or survival rates between the treatment groups. The only important interaction among kid traits was treatment × litter type (P < 0.05) for FAMACHA scores. Within noncreep pens, single kids had lower (better; P < 0.05) FAMACHA scores (2.9 ± 0.3) than twin kids (3.9 ± 0.3). There was no litter-type effect on FAMACHA scores for kids within the creep feed pens. Dams of the creep-fed (n = 175) and noncreep (n = 178) kids were also evaluated. Treatment did not affect (P > 0.05) litter weights, dam weight change, gross revenue for weaned litters, or fecal egg counts. Treatment interacted with litter type (P < 0.05) to effect packed cell volume (PCV). In the noncreep group, dams raising singles had higher (better; P < 0.05) PCV (18.7 ± 1.3%) than dams rearing twin kids (15.7 ± 1.3%). The litter-type effect on dam PCV was not evident (P > 0.05) in the creep-fed group. Creep feeding improved some kid growth traits but did not improve dam traits or financial returns. Interactions of creep treatment with other factors were minimal for doe-kid traits.

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Section: Resultsmentioning

confidence: 99%

Effects of creep feeding and its interactions with other factors on the performance of meat goat kids and dams when managed on pasture

Hayes

Lourençon

Browning

2019

Translational Animal Science

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“…Animal behavior has been associated with memory ability, in which positive and frequent human–animal interaction could positively impact future behavioral responses ( Boivin et al, 2009 ). The creep feeding system and additional phenotypic measurement (e.g., ultrasound information) are generally associated with additional interaction with humans ( Broadhead et al, 2018 ). A temperament study in Angus cows in Bulgaria reported that more docile cows have frequent contact with people ( Karamfilov, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Genetic Modeling and Genomic Analyses of Yearling Temperament in American Angus Cattle and Its Relationship With Productive Efficiency and Resilience Traits

Alvarenga

Oliveira

Miller³

et al. 2022

Front. Genet.

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Cattle temperament has been considered by farmers as a key breeding goal due to its relevance for cattlemen’s safety, animal welfare, resilience, and longevity and its association with many economically important traits (e.g., production and meat quality). The definition of proper statistical models, accurate variance component estimates, and knowledge on the genetic background of the indicator trait evaluated are of great importance for accurately predicting the genetic merit of breeding animals. Therefore, 266,029 American Angus cattle with yearling temperament records (1–6 score) were used to evaluate statistical models and estimate variance components; investigate the association of sex and farm management with temperament; assess the weighted correlation of estimated breeding values for temperament and productive, reproductive efficiency and resilience traits; and perform a weighted single-step genome-wide association analysis using 69,559 animals genotyped for 54,609 single-nucleotide polymorphisms. Sex and extrinsic factors were significantly associated with temperament, including conception type, age of dam, birth season, and additional animal–human interactions. Similar results were observed among models including only the direct additive genetic effect and when adding other maternal effects. Estimated heritability of temperament was equal to 0.39 on the liability scale. Favorable genetic correlations were observed between temperament and other relevant traits, including growth, feed efficiency, meat quality, and reproductive traits. The highest approximated genetic correlations were observed between temperament and growth traits (weaning weight, 0.28; yearling weight, 0.28). Altogether, we identified 11 genomic regions, located across nine chromosomes including BTAX, explaining 3.33% of the total additive genetic variance. The candidate genes identified were enriched in pathways related to vision, which could be associated with reception of stimulus and/or cognitive abilities. This study encompasses large and diverse phenotypic, genomic, and pedigree datasets of US Angus cattle. Yearling temperament is a highly heritable and polygenic trait that can be improved through genetic selection. Direct selection for temperament is not expected to result in unfavorable responses on other relevant traits due to the favorable or low genetic correlations observed. In summary, this study contributes to a better understanding of the impact of maternal effects, extrinsic factors, and various genomic regions associated with yearling temperament in North American Angus cattle.

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Effect of Creep Feeding on Pre and Post-Weaning Performance of Black Bengal Goat Kids

Ahmed,

Pasha,

Rahman

et al. 2024

Asian J. of Animal Sciences

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418 Economics of Creep Feeding a Spring Calving Beef Herd in the Nebraska Sandhills.

Cited by 3 publications

References 0 publications

Effects of creep feeding and its interactions with other factors on the performance of meat goat kids and dams when managed on pasture

Effects of creep feeding and its interactions with other factors on the performance of meat goat kids and dams when managed on pasture

Genetic Modeling and Genomic Analyses of Yearling Temperament in American Angus Cattle and Its Relationship With Productive Efficiency and Resilience Traits

Effect of Creep Feeding on Pre and Post-Weaning Performance of Black Bengal Goat Kids

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