The influence of β-carotene supplementation on
post-partum disease and subsequent reproductive
performance of dairy cows in China

Bian, Shiyu; Elliott, R.; Immig, Irmgard; Sun, De Fa

doi:10.22358/jafs/74563/2007

Cited by 6 publications

(5 citation statements)

References 2 publications

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“…A weak trend for decreased proportion of multiparous cows with SCC greater than 200,000 cells/ mL in response to β-carotene supplementation was also observed. Bian et al (2007) and Wang et al (2013) also observed positive effects of β-carotene supplementation before calving on the incidence of mastitis in dairy cows. A possible mechanism for the beneficial effects of β-carotene on mastitis incidence may be related to its action as an antioxidant, leading to improved immune function (Tjoelker et al, 1988;Michal et al, 1994).…”

mentioning

confidence: 94%

Supplementation of prepartum dairy cows with β-carotene

Oliveira

Guerreiro

Morais

et al. 2015

Journal of Dairy Science

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The prepartum supplementation of dairy cows with β-carotene was evaluated. Cows were blocked by parity and expected calving date and assigned to a treatment: β-carotene (1.2 g/cow per d) or control (no supplementation). The same total mixed ration batch was offered to all cows, and β-carotene was top dressed to individual cows once per day. The data set contained 283 Holsteins that received a treatment for >14 d (29.1±6.9 d). Frequency distributions were analyzed with the GENMOD procedure of SAS using logistic regression for binomial data. Continuous variables were analyzed with the MIXED procedure of SAS. Within parity, nonparametric estimates of the survivor function for reproductive variables were computed using the product-limit method of the Kaplan-Meier method with the LIFETEST procedure of SAS. Plasma β-carotene concentration before supplementation was similar between supplemented and nonsupplemented cows (2.99µg/mL) and peaked at 3.26±0.175µg/mL on d -15±2.4 precalving for supplemented cows (2.62±0.168µg/mL for control). Colostrum density, milk yield, and milk composition were similar between treatments. β-Carotene tended to increase milk protein content from 2.90 to 2.96% and to decrease the proportion of primiparous cows with a milk fat to protein ratio >1.5 from 22.6 to 6.4%. The proportion of primiparous and multiparous cows with difficult calving, metritis, progesterone >1 ng/mL at 21 d and at 42 d in lactation, % conception at first service, and % pregnancy at 90 and 150 d in lactation were similar between treatments. A trend for decreased incidence of somatic cell count >200,000 cells/mL was present in multiparous cows supplemented with β-carotene (38.9% vs. 28.1%). β-Carotene was associated with a reduction in the proportion of multiparous cows with retained placenta 12 h postpartum from 29.9 to 21.7%; time of placenta release was 392 min (340 to 440) for β-carotene and 490 min (395 to 540) for control (median and 95% confidence interval). For primiparous cows, placenta release was not affected by β-carotene (incidence was 15.4%). The intervals from calving to first estrus, to first service, and to conception were not affected by β-carotene supplementation in either parity. However, independent of treatment, cows with improved reproductive efficiency had increased postpartum β-carotene concentration in plasma. The prepartum supplementation of β-carotene increased plasma concentration around calving. No response in milk yield or reproductive performance was detected. Beta-carotene supplementation was associated with a lower incidence of retained placenta in multiparous cows.

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confidence: 94%

Supplementation of prepartum dairy cows with β-carotene

Oliveira

Guerreiro

Morais

et al. 2015

Journal of Dairy Science

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“…A number of factors in research trials confound the interpretation of results and the initial β-carotene status such as timing and duration of supplementation. Research results and performance data were reported on pre-partum β-carotene supplementation (Kaewlamun et al, 2011;Oliveira et al, 2015), postpartum supplementation (Rakes et al, 1985;de Ondarza et.al., 2009) and in combination (Lothammer, 1976;Bian et al, 2007) resulting in contradictory outcomes. Another concern with the role of strategic supplementation during the dry period is the potential for carry-over effects post partum.…”

Section: Resultsmentioning

confidence: 99%

“…Kaewlamun et al (2011) found that eight weeks of pre-partum supplementation increased plasma βcarotene for only two weeks post partum. Bian et al (2007) reported no effect of pre-partum supplementation of 300 mg/day β-carotene in one study, but in a second study they found differences compared with the control up to 60 days post partum. The aims of the current study were first to investigate the β-carotene status of lactating Holstein cows exposed to the three most common feeding systems in South Africa and second to assess the potential carry-over effect of pre-partum β-carotene supplementation on post-partum blood plasma levels of β-carotene.…”

Section: Introductionmentioning

confidence: 95%

Effects of feeding system and pre-partum supplementation on the β-carotene status of South African Holstein cows

Erasmus¹,

Machpesh²,

Coertze³

et al. 2021

SA J. An. Sci.

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The objectives were to investigate the β-carotene status of dairy cows under various production systems, and to determine the effect of pre-partum β-carotene supplementation on their post-partum β-carotene status. Ten farms were selected from each of the three production systems, namely pasture-based, hay-based total mixed ration (TMR) and silage-based TMR. Twenty cows per farm were sampled in each system, and blood plasma β-carotene concentration was determined with a portable spectrophotometer (n = 200 cows per system). Mean blood β-carotene concentrations of pasture-fed cows were 5.54 mg/L, and were higher (P <0.05) than concentrations of cows on hay-based (2.98 mg/L) and maize silage-based TMR systems (1.71 mg/L); in β-carotene status, therefore, these systems were optimal, marginal, and deficient, respectively. In the second experiment, 10 cows received a hay-based control TMR, and 10 were supplemented with 1.2 g/day of β-carotene pre-partum from day -56 to calving and monitored until day 56 postpartum. The supplemented cows were in optimal β-carotene status until calving, with a minor carry-over effect until 10 days post partum, and then declined gradually in status until they needed supplementation. The β-carotene status between the groups differed from three weeks pre-partum to two weeks post partum, with the control group being marginal to deficient from three weeks pre-partum onwards. Forage type and its β-carotene content play a major role in the β-carotene status of cows and more research is needed on the potential storage and mobilization of β-carotene in cows.

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“…Supplemental effect of beta-carotene incorporated vitamin-premix showed estrus symptoms in 50% of crossbred Sahiwal infertile cows against the animals under control group upto 16.66% as reported by Kumar et al (2019). Similarly, conception rates were also significantly higher in the beta-carotene supplemented cows (Bian et al, 2007;Trojacance et al, 2012;Colli et al, 2017;De Gouvea et al, 2018). .Effect of Beta-carotene Supplementation on Plasma Carotene Content and Fertility of Lactating Crossbred Sahiwal Cows…”

Section: Reproductive Performancementioning

confidence: 87%

Effect of Beta-carotene Supplementation on Plasma Carotene Content and Fertility of Lactating Crossbred Sahiwal Cows

Bhateshwar

Chandra

Duary

2021

IJAR

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Background: Beta-carotene (BETA) is a precursor of retinol (Vitamin A) and positively influenced on reproductive efficiency in cows. The aim of the study was to determine the effect of orally supplementation of beta-carotene on plasma carotene content and fertility rate of lactating crossbred Sahiwal cows. Methods: Twenty-four disease-free lactating crossbred Sahiwal cows with a close date of calving were randomly divided into two homogeneous groups for Control group (CONT; n = 12) and Beta-carotene group: 500 mg/cow/d (BETA; n = 12) from 7 days post partum (dpp) until 105 dpp thereafter on concentrations of beta-carotene and selected protein and energy parameters in plasma were determined. In addition, effects on fertility rate were studied. Result: Beta-carotene concentrations increased in plasma of beta-carotene (BETA-group) supplemented cows compared to control (CONT-group) cows (p less than 0.001). In BETA-group cows, urea concentration in blood plasma decreased significantly compared to cows of CONT-group (p less than 0.001) but did not differ in total protein, albumin, glucose and total cholesterol content in cows of both groups. Occurrence of first post partum estrus decreased (p less than 0.001) in beta-carotene (BETA-group: 74 dpp) cows compared to control (CONT-group: 81 dpp) cows. In this study, it was observed that the overall conception rate was higher (p greater than 0.001) in BETA-group: 83.33% (cows pregnant: 10/12) and lesser in the CONT-group: 50.00% (cows pregnant: 6/12). The results of this study indicated that oral supplementation with beta-carotene increased the concentration of beta-carotene and decreased the concentration of urea in plasma and cows with higher blood plasma beta-carotene content improved fertility over cows with lower blood plasma beta-carotene content.

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The influence of β-carotene supplementation on post-partum disease and subsequent reproductive performance of dairy cows in China

Cited by 6 publications

References 2 publications

Supplementation of prepartum dairy cows with β-carotene

Supplementation of prepartum dairy cows with β-carotene

Effects of feeding system and pre-partum supplementation on the β-carotene status of South African Holstein cows

Effect of Beta-carotene Supplementation on Plasma Carotene Content and Fertility of Lactating Crossbred Sahiwal Cows

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The influence of β-carotene supplementation on post-partum disease and subsequent reproductive performance of dairy cows in China

Cited by 6 publications

References 2 publications

Supplementation of prepartum dairy cows with β-carotene

Supplementation of prepartum dairy cows with β-carotene

Effects of feeding system and pre-partum supplementation on the β-carotene status of South African Holstein cows

​Effect of Beta-carotene Supplementation on Plasma Carotene Content and Fertility of Lactating Crossbred Sahiwal Cows

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Effect of Beta-carotene Supplementation on Plasma Carotene Content and Fertility of Lactating Crossbred Sahiwal Cows