Effect of palmitic acid-enriched supplements containing stearic or oleic acid on nutrient digestibility and milk production of low- and high-producing dairy cows

Burch, A.; Pineda, A.; Lock, A.L.

doi:10.3168/jds.2020-19913

Cited by 23 publications

(5 citation statements)

References 33 publications

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“…Even with high production, the values found in the studied cows were still below those described for high-producing Holstein cows, ranging from 40 to 50 kg/day [31][32][33], but were similar to those found in Jersey cows, ranging from 31 to 37 kg/day [34] and in Simmental cows [35]. These values are also higher than those usually reported for crossed Holstein × Gyr cows, which range from 20 to 30 kg/day [5,14,16,17,36].…”

Section: Discussionsupporting

confidence: 73%

Effect of Parity, Body Condition Score at Calving, and Milk Yield on the Metabolic Profile of Gyr Cows in the Transition Period

Breda

Filho

Flaiban

et al. 2023

Animals

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This study aimed to evaluate the effects of parity, body condition score (BCS) at calving, and milk yield on the metabolic profile of Gyr (Zebu) cows. Healthy cows in late pregnancy were grouped according to parity (primiparous, biparous, and multiparous); to BCS scale at calving (high—HBCS and normal—NBCS); and to milk yield (high—HP and moderate—MP production). BCS was assessed, and blood samples were collected on −21, −7, 0, 7, 21, and 42 days relative to parturition. The concentrations of non-esterified fatty acids (NEFA), beta-hydroxybutyrate (BHB), cholesterol, glucose, total protein (TP), albumin, total calcium (Ca), phosphorus (P), and magnesium (Mg); and activities of aspartate aminotransferase and gamma-glutamyltransferase were measured. Data were analyzed by two-way repeated measures ANOVA. The frequencies of high lipomobilization, subclinical ketosis, subclinical hypocalcemia (SCH), and the occurrence of diseases during early lactation were established. Regardless of grouping, NEFA, BHB, and cholesterol increased during early lactation; glucose showed higher values at calving; TP and albumin were higher at 21 and 42 DIM; and Ca, P, and Mg were lower at calving. Parity had little effect on the metabolic profile, HBCS did not differ from NBCS cows, and HP did not differ from MP cows in most metabolites. High lipomobilization in early lactation and SCH at calving were the most common imbalances but were not related to postpartum diseases. High-yielding Gyr cows have a balanced metabolic profile during the transition period, with few biologically relevant effects of parity, BCS at parturition, or milk yielded.

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Section: Discussionsupporting

confidence: 73%

Effect of Parity, Body Condition Score at Calving, and Milk Yield on the Metabolic Profile of Gyr Cows in the Transition Period

Breda

Filho

Flaiban

et al. 2023

Animals

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“…The existence of numerous compounds in the present study such as phytol (derivative of chlorophyll), hexadecenoic acid (palmitic acid), octadecanoic acid (stearic acid), and flavonoids might be responsible for the galactagogic properties owing to the action of a single compound or conjoint action of all compounds. Investigation conducted by other investigators also put forward that some of the phytoconstituents are accountable for increased milk yield in farm animals which is also in line with our findings [43][44][45][46][47][48]. Further research is required on mouse mammary cell lines and in other mammalian models to come to a definite conclusion.…”

Section: Discussionsupporting

confidence: 89%

Phytochemical screening and galactagogic attributes of Pergularia daemia (Forssk.) Chiov. leaf extract in lactating mice (Mus musculus)

Patra

Giri

Chowdhury³

et al. 2021

Herba Polonica

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Summary Introduction Pergularia daemia (Forssk.) Chiov. [PD] is used as a galactagogue by various tribes in Purulia district, India, lacks a scientific basis. Objectives The purpose of the study was to determine whether administration of aqueous leaf extract of P. daemia can increase milk production in lactating mice and encourages development in suckling pups. Methods 30 lactating mice (n=6 per group) with a minimum of 5 pups each were treated with the aqueous PD extract at 50, 100, 150 and 200 mg/kg body weight while the control group was administered with only distilled water. The mice were daily fed with aqueous leaf extract via gavage, which started at day 3 and continued to day 15 post-partum and milk secretion was assessed by the weight-suckle-weight method. The qualitative estimation, UV-vis analysis and GC-MS study of the leaf extract was also done for the presence of phytoconstituents. Results Administration of aqueous leaf extract led to a considerable increase in milk production (28.1%) and the pups gained weight substantially (p<0.05) when compared to control. Milk production was enhanced in mice treated with 150 mg/kg b.wt. of leaf extract compared to other doses (p<0.05). The GC-MS analysis of the aqueous leaf extract of P. daemia revealed 20 major peaks, some with small retention time and also revealing presence of several phyto-estrogenic compounds. Conclusion The present study effectively demonstrated that aqueous leaf extract of PD enhanced milk production in mice and might be used as an alternative strategy for increasing milk production and can be extrapolated to farm animals and human beings.

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“…In this study, including cis-9 C18:1 in the supplemental FA blend increased total FA digestibility (de Souza et al, 2018). Other feeding studies have also demonstrated increased FA digestibility in diets supplemented with cis-9 C18:1 compared with diets that included SFA supplements (Western et al, 2020b;Burch et al, 2021;. In our current study, the T80 treatment contained ~5g/d of cis-9 C18:1 and increased total FA absorption by 53.0 g/d.…”

Section: Discussionsupporting

confidence: 62%

Abomasal infusion of different exogenous emulsifiers alters fatty acid digestibility and milk fat yield of lactating dairy cows

Prom¹,

Neto

Lock

2022

Journal of Dairy Science

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We evaluated the effects of abomasal infusion of emulsifiers on fatty acid (FA) digestibility and milk production of lactating dairy cows. All emulsifiers examined were polysorbates, nonionic surfactants, consisting of a polyethoxylated sorbitan esterified with FA. The polysorbates tested in this study consisted of the same polyethoxylated sorbitan base but differed by the FA esterified to it. Eight rumen-cannulated multiparous cows (89 ± 13 d in milk) were assigned to a treatment sequence in 4 × 4 Latin squares with 18-d periods consisting of 7 d of washout and 11 d of infusion. Treatments were abomasal infusions of water only (CON) or 30 g/d of different emulsifiers as follows: polysorbate-C16:0 (T40), polysorbate -C18: 0+C16: 0 (T60), and polysorbate-C18:1 (T80). Emulsifiers were dissolved in water and delivered at 6-h intervals (total daily infusion was divided into 4 equal infusions per day). Cows were fed the same diet that contained (% diet dry matter) 32.1% neutral detergent fiber, 15.7% crude protein, 25.8% starch, and 3.32% FA (including 1.92% FA from a saturated FA supplement containing 34.2% C16:0 and 47.7% C18:0). The T80 treatment increased total FA digestibility compared with CON (5.40 percentage units) and T60 (3.90 percentage units) and tended to increase it compared with T40. Also, T40 tended to increase and T80 increased (4.80 percentage units) 16-carbon FA digestibility compared with CON. The T80 treatment increased 18-carbon FA digestibility compared with the other treatments. The T40 treatment tended to increase and T80 increased total FA absorption compared with CON (53 g/d) and T60 (52 g/d). Both T40 and T80 increased the absorption of 16-carbon FA compared with CON and T60. The T60 treatment did not differ from CON for any digestibility variable. Both T40 and T80 increased the yields of milk fat, 3.5% fat-corrected milk, and de novo, mixed, and preformed milk FA compared with CON. In conclusion, not all emulsifiers increased FA digestibility. Compared with CON, T80 increased the digestibility and absorption of total, 16-, and 18-carbon FA. The T40 treatment tended to increase and T80 increased total FA absorption and the yields of milk fat and 3.5% FCM compared with CON. Milk fat yield was increased by increases in de novo, mixed, and preformed milk FA. In our short-term infusion study, results suggest that the predominant FA present in the polysorbate affects its ability to improve FA digestibility. Overall, FA digestibility and absorption were improved the most when cows received the T80 treatment.

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Effect of palmitic acid-enriched supplements containing stearic or oleic acid on nutrient digestibility and milk production of low- and high-producing dairy cows

Cited by 23 publications

References 33 publications

Effect of Parity, Body Condition Score at Calving, and Milk Yield on the Metabolic Profile of Gyr Cows in the Transition Period

Effect of Parity, Body Condition Score at Calving, and Milk Yield on the Metabolic Profile of Gyr Cows in the Transition Period

Phytochemical screening and galactagogic attributes of Pergularia daemia (Forssk.) Chiov. leaf extract in lactating mice (Mus musculus)

Abomasal infusion of different exogenous emulsifiers alters fatty acid digestibility and milk fat yield of lactating dairy cows

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