Strategies for attaining early puberty in cattle and buffalo: A review

Gupta, Shailesh Kumar; Singh, Pawan Kumar; Shinde, Kuladip Prakash; Lone, Shabir Ahmad; Kumar, Narendra; Kumar, Amarjeet

doi:10.18805/ar.v37i2.10741

Cited by 14 publications

(12 citation statements)

References 36 publications

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“…An important cue for the initiation of bone maturity is the increase in oestrogen at puberty in both females and males [ 6 ]. In cattle, the common definition of puberty is the onset of regular oestrous cycles for heifers, and the production of viable semen for bulls, both indicative of the animal developing the maturity to reproduce [ 7 , 8 ]. For cattle, puberty is attained when animals reach approximately 48–51% of their mature body weight [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Sex and Age on Bone Morphology and Strength in the Metacarpus and Humerus in Beef-Cross-Dairy Cattle

Gibson

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Dittmer

et al. 2021

Animals

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In cattle, limited data have been reported about the relationship between live weight, bone size, and strength and how this relationship can be altered by factors such as sex and age. The aim of this study was to describe the relationship of peripheral quantitative computed tomography (pQCT)-derived parameters of bone strength and morphology with live weight, age and sex in beef-cross-dairy cattle. All animals were weighed the day before slaughter. The metacarpus and humerus were collected at slaughter and scanned at the mid-diaphysis using pQCT. Live weight was the primary explanatory variable for bone size and strength in all cohorts. However, the effect of age was significant, such that magnitude of response to liveweight was less in the 24-month-old cohort. Sex was significant within cohorts in that bulls had a shorter metacarpus than steers and heifers had a shorter metacarpus than steers at age of slaughter.

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Section: Introductionmentioning

confidence: 99%

The Effect of Sex and Age on Bone Morphology and Strength in the Metacarpus and Humerus in Beef-Cross-Dairy Cattle

Gibson

Back

Dittmer

et al. 2021

Animals

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“…The bull as the source of semen production should have fit performance to ensure producing continuously semen with standardized volume and quality. The age and body of cattle are known to affect the semen production and quality, especially during puberty phase, although the high effect of the birth weight on the semen production was also reported (Gupta et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Correlations between age of Bali bull and semen production at National Artificial Insemination Center, Singosari - Indonesia

Nugraha

Herwijanti²,

Novianti

et al. 2019

J. Indonesian Trop. Anim. Agric.

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The aim of this research was to analyze the correlation of age of Bali bull to the body weight and semen qualities. The materials were 50 Balibulls data collected from 2012 to 2018. Therecordeddatawere consisted ofsemen productions (n = 1304) and body weight (n = 1544). The observation was conducted to analysis the interrelationship between the Bali bulls age and body weight (BW), to the semen volume (SV), individual motility (IM) and sperm concentration (SC). The obtained data was analyzed with One-Way ANOVA analysisby using SPSS 24 and followed with Duncan’s Multiple Range Test to determine any significant differences. The correlation between Bali bulls age (the independent variable) and semen quality (the dependent variable) was computed by using Pearson correlation method and presented in linear regression models. The results showed that the Bali bulls agesignificantly affect (P<0.05) the BW from the age of 1 to 10 years old. The age also showed a significant effect (P<0.05) on the semen qualities. The age correlated significantly (P<0.05) with BW, SV, IM, SC were 0.658, 0.386, 0.134 and 0.086, respectively. Inconclusion,the age of Bali bull could be used as an indicator todetermineits BWand semenqualities.

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“…Puberty is a period at which sexually organs functionally developed and animals become able to release the gametes by first ovulation. 804 Puberty is also defined as when ovulation is accompanied by visual signs of estrus and subsequent normal luteal function. 805 Although puberty and initiation of normal estrous cycle are complex events that require maturation of the hypothalamic-pituitary-ovarian axis, it has been well documented that nutrition, age and genetics are regulators of age at puberty.…”

Section: Age At Puberty In Heifersmentioning

confidence: 99%

A Six-Decade Review: Research on Cattle Production, Management and Dairy Products in Bangladesh

Samad¹

2020

JVMOHR

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Background: Historical changes in the demand of animal protein sources (milk & meat) for human consumption have been largely increased due to increased growth of human population, income and urbanization in Bangladesh. Research on cattle production and management especially cattle breeding, feeds and fodders, milk production and products have contributed to increase potential production and genetic gains of cattle. A comprehensive review on the published inland research reports on cattle production, management and dairy products are lacking in literature which is required for further research for the cattle development and production. Objectives: An attempt to review on the published inland research reports on the advances in science and technology on cattle production, management and dairy products in Bangladesh Materials and Methods: A systematic literature review of research articles on cattle production, management and dairy products published between 1962 and 2020 from Bangladesh has been reviewed. A total of 1185 research articles on cattle production, management and dairy products supported with some international related articles have been reviewed and analyzed. Results: Research data on cattle production, management and dairy products are compiled from 1185 different research reports supported with some international reports. This review covers the status of cattle breeds and varieties with tabulated summary of 21 reports on draught cattle, 83 on fodder production, 97 on nutrition, feeds and feeding, 88 on trials of different feed formulations in non-dairy cattle and 68 on dairy cattle, 5 on the effects of heat stress on health and production, 39 on fattening of cattle, 27 on genetics and breeding, 75 on semen and AI, 20 on factors associated with conception rate (CR), 8 on oocyte and embryo collection, 9 on genotypes of dairy cows, 7 on management of smallholder dairy farms, 48 on milk production status of dairy cattle, 32 on economics of rearing cattle, 99 on productive and reproductive performances of cattle, 7 on estrus and pregnancy diagnosis, 7 problems of dairy farmers, 23 on preservative and adulteration of milk, 20 on constituents and methods of sweet preparation, 11 on cheese preparation, 9 on ice-cream, 56 on yoghurt, 4 on beef cattle production, 34 on birth weight, and 15 on calf rearing including calf milk replacer and calf starter. Conclusions: Data based reports are important for priority setting and targeting with mandate for cattle development and increase production. Currently, one of the biggest gaps in the inland datasets on cattle research and this review addresses this gap by bringing together in a review and highlighting some of the major findings. Cross-breeding remains an attractive option for cattle improvement because of the quick results that can be obtained by its use and the potential benefits it has farmers. This review would serve as an archive of research reports on cattle production, management and dairy products for the concerned academicians, research scientists, organizations and government for future planning for education, research and extension on cattle production. Keywords: Systematic review, Six decades, Cattle, Management, Production, Dairy products, Bangladesh

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Strategies for attaining early puberty in cattle and buffalo: A review

Cited by 14 publications

References 36 publications

The Effect of Sex and Age on Bone Morphology and Strength in the Metacarpus and Humerus in Beef-Cross-Dairy Cattle

The Effect of Sex and Age on Bone Morphology and Strength in the Metacarpus and Humerus in Beef-Cross-Dairy Cattle

Correlations between age of Bali bull and semen production at National Artificial Insemination Center, Singosari - Indonesia

A Six-Decade Review: Research on Cattle Production, Management and Dairy Products in Bangladesh

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