Effects of acid detergent fiber intake on early postpartum milk production and chewing activities in dairy goats fed alfalfa hay

Santini, F.J.; Lu, C.D.; Potchoiba, Michael J.; Coleman, S. W.

doi:10.1016/0921-4488(91)90009-f

Cited by 16 publications

(5 citation statements)

References 15 publications

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“…La zona de Peña Blanca tuvo un contenido promedio más alto de 13.55% para ambas épocas. Los valores encontrados en el estudio corroboran con la información ya disponible en la literatura (7,8,26) que sugiere una limitación nutricional de las gramíneas Kikuyo debido a que los valores de NSC son inferiores a los recomendados para el ganado lechero (35-40% del DM) (22).…”

Section: Degradabilidad In Vitro a Las 48 Horasunclassified

Nutritional composition, nitrate and nitrite levels of Kikuyo grass and its influence on milk production.

Camacho-Ospina¹,

Aurora Cuesta-Peralta²,

García-Contreras³

et al. 2021

Rev MVZ Córdoba

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Objetive. Establish variations of nutritional composition and the contents of nitrates and nitrites in the Kikuyo grass (Cenchrus clandestinus (Hochst. Ex Chiov.) Morrone) from four veredas in the municipality of San Miguel de Sema: Peña Blanca, Sirigay, Sabaneca, and Quintoque, during dry and rainy seasons. were dairy production is the most significant economic activity. Material and methods. Nutritional characterization parameters, were associated a two-way ANOVA, using Tukey's as a multiple comparison test. Results. The results revealed in dry matter a high average content of total protein (TP) (23.48% +/- 3.71), neutral detergent fiber (60.86% +/- 3.03), with important DM degradability values at different time points (62.97% +/- 3.74 after 48 Hours). The report indicated decreased values of lignin (4.25% +/- 0.5), non-structural carbohydrates (11.44% +/- 2.43) and of the ratio of non-structural carbohydrates: rumen degradable protein (NSC:RDP) of 0.84 +/- 0.16. The levels of nitrates reached an average of 2977 ppm +/- 2061, which differed significantly according to the seasons and veredas, for the dry season in the different veredas the level of nitrated remained at 4728 ppm, a value 3.9 higher in comparison to the rainy season. The levels of nitrites showed average contents of 2.97 pm of DM, contents highly decreased to be potentially toxic. Conclusions. These results allowed us to establish a difference in the protein:energy relation as the limiting factor for milk production. Nitrate levels indicated as potentially toxic.

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Section: Degradabilidad In Vitro a Las 48 Horasunclassified

Nutritional composition, nitrate and nitrite levels of Kikuyo grass and its influence on milk production.

Camacho-Ospina¹,

Aurora Cuesta-Peralta²,

García-Contreras³

et al. 2021

Rev MVZ Córdoba

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“…Nutritionally adequate content is 18–20% acid detergent fiber (ADF) or 41% neutral detergent fiber (NDF) in the diet. An increase in ADF intake from 396 to 839 g/day was found to cause an increase from 4.85 to 5.40% of fat in goat milk [ 38 , 39 ]. The fat:protein ratio also indicated that the diet consumed by the goats in Herd II was not the same as theoretically balanced and prepared; this ratio is commonly used as an indicator of energy deficit, subclinical ketosis, or subacute ruminal acidosis (SARA) in cattle.…”

Section: Resultsmentioning

confidence: 99%

Effect of Supplementation with Organic Selenium or Turmeric and Rosemary Mixture on Beta-Defensin Content in Goat Milk

Zalewska

Kapusta

Kawecka-Grochocka

et al. 2022

Animals

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The present study examines the effects of diet supplementation with an organic selenium or herb-spice mixture on beta-defensin1 (GBD-1) and beta-defensin2 (GBD-2) concentrations in goat milk. Herd-I, consisting of Polish White (PWI) and Fawn Improved (PFI) goats, received supplementation with organic or inorganic selenium (controls). All goats were free from parasites, mastitis, and small ruminant lentivirus infection. Herd-II, consisting of PWI goats, either received a turmeric-rosemary mixture (experimental) or not (controls). The Herd I control group demonstrated higher fat, free fatty acid, and somatic cell levels and lower protein and lactose contents than Herd II controls. The GBD-1 concentration was below the detection limit in both herds. Herd I controls demonstrated higher GBD-2 concentrations in milk than Herd II controls. In addition, lower GBD-2 concentrations were noted in PWI goat milk. Organic selenium or rosemary-turmeric mixture supplementation had no effect on the GBD-2 content in the milk of healthy goats. The higher GBD-2 concentration observed in Herd Ic than in Herd IIc may suggest that the type of basal diet affects defensin secretion.

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“…There are several reasons why foliage in the diet could lead to increased intake and growth when replacing grass. The higher fiber concentration can be suspected to increase time spent eating and ruminating per kg of DM [ 47 ]. Additionally, the variation caused by replacing parts of the forage in the diet may increase feed intake, as goats given choices have been shown to vary their intake among species [ 48 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of Replacing Grass with Foliage on Growth Rate and Feed Intake in Goats—A Systematic Review and Meta-Analysis

Kronqvist

Kongmanila

Wredle

2021

Animals

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Small ruminants such as goats have a higher preference for browse species than cattle and sheep. In a meta-analysis of 42 papers describing 117 experimental treatments found by a search performed in June 2021 in PubMed and Web of Knowledge, we examined the general effect of including foliage in the diet of goats, replacing grasses, on dry matter intake and average daily weight gain. The inclusion requirement for a paper was that it described a controlled trial with a control diet of grass and with grass replaced by foliage in the experimental diet. Publication bias was estimated by calculating the Fail-safe n. Random effects analyses were conducted, using effect size calculated as Hedges’ d. The results showed that inclusion of foliage increased feed intake (Hedges’ d = 1.350, SE = 0.388) and average daily weight gain (Hedges’ d = 1.417, SE = 0.444) compared with a grass-based control. The positive effect of foliage inclusion on dry matter intake was associated with lower neutral detergent fiber (NDF) and higher crude protein (CP) in the foliage than in the grass it replaced. The positive effect on average daily weight gain was associated with higher CP concentration in the foliage than in grass. Foliage inclusion level showed a quadratic relationship with dry matter intake, with maximum dry matter intake achieved at a level of 50–60%. There was wide variation between the studies reviewed, and this variation was not reduced by subgroup analysis based on different kinds of foliage. In conclusion, the addition of foliage to goat diets can increase feed intake and daily weight gain, as an effect of the dietary preferences of goats and of generally higher nutritional value in foliage species compared with natural/semi-natural grass species.

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Effects of acid detergent fiber intake on early postpartum milk production and chewing activities in dairy goats fed alfalfa hay

Cited by 16 publications

References 15 publications

Nutritional composition, nitrate and nitrite levels of Kikuyo grass and its influence on milk production.

Nutritional composition, nitrate and nitrite levels of Kikuyo grass and its influence on milk production.

Effect of Supplementation with Organic Selenium or Turmeric and Rosemary Mixture on Beta-Defensin Content in Goat Milk

Effects of Replacing Grass with Foliage on Growth Rate and Feed Intake in Goats—A Systematic Review and Meta-Analysis

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